Viking 242-2009-632 инструкция обслуживания

1-1 October 1995 Part No. 00 1-2008-20 2 SER VICE MANUAL VIKING ® VX 900 MHz L TR-Net ® 75W -160W Repeater Part No. 24 2-2009-632/ 634 First P rinti ng March 1999 Part No. 00 1-2009-600 3-99mwp Printe d in U.S.A.[...]

1-2 October 1995 Part No. 001-2008 -202[...]

1-3 October 1995 Part No. 00 1-2008-20 2 VIKING ® VX 900 MHz L TR-Net REPEA TER P AR T NO. 242-20 09-632/6 34 Copyri ght© 1 999 by T r anscrypt In ternat ional, Inc. T ransc rypt Inte rnational , Inc. desi gns and m anufactures two-way radio equipment t o serve a wide v ariety o f communica tions needs. T ranscrypt In ternational Inc. pro duces E[...]

1-4 October 1995 Part No. 001-2008 -202[...]

i T ABLE OF CONTENTS (CONT’D) 1 INTRODUCTION A ND OPERATION 1.1 SCOPE OF MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.2 R EPEATE R IDEN TIFICAT ION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

ii T ABLE OF CONTENTS (CONT’D) 1.7 GROUNDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 PROTECTION GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

iii T ABLE OF CONTENTS (CONT’D) 4.6 TES T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 EXCITER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

iv T ABLE OF CONTENTS (CONT’D) LOCK DETECT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 BUFFER AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

v T ABLE OF CONTENTS (CONT’D) 6.8 BATTERY BACK-UP MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-30 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

vi T ABLE OF CONTENTS (CONT’D) J500 A D LEVEL TEST POINT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-51 J501 GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

vii T ABLE OF CONTENTS (CONT’D) 7.10 BATTERY CHARGER SECTI ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24 8 SERVICING 8.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

viii T ABLE OF CONTENTS (CONT’D) 2000 SERIES REPEATER POWER SUPPLY WIREHARNESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19 800W POWER SUPPLY MAIN BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-20 AC FILTER BOARD . . . . . . . . . . . . . [...]

ix T ABLE OF CONTENTS (CONT’D) 10-40 INTERFACE ALARM CARD SCHEMAT IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-35 10-41 BACKPLANE COMPONENT LAYOUT (CARD SIDE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 -36 10-42 BACKPLANE COMPONENT LAYOUT (C[...]

x T ABLE OF CONTENTS (CONT’D) 4-9 REPEATER CONFIGURAT ION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 4 4-10 INPUT ALARMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

xi T ABLE OF CONTENTS (CONT’D) 7-8 160W PA TEST SE TUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10 7-9 RECEIVER TEST SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

xii T ABLE OF CONTENTS (CONT’D)[...]

1-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 1 INTRODUCTION AND OPERA TION 1.1 SCOPE OF MAN UAL This ser vice manual provides installat ion, opera - tion, pr ogramming, servi ce, and al ignment inf orma- tion fo r the VIKING  VX L TR-Net ® Repeat er , Part No. 242-2009-63 2/6 34. 1.2 REPEA TER IDENTIFICA TION The repeat er identi ficati on n[...]

INTRODUCTION AND OPERATION 1-2 March 1 999 Part No. 0 01-2009-60 0 Syst em co ntrol is acco mpl ished by th e e xcha nge of data messages be tween radio and re peater . The L TR-Net system tr unks up to 20 channels by utilizi ng continu ous subaudi ble digit al data applied t o the RF carri er simulta neously wi th voice modu lation. There- fore, n[...]

INTRODUCTION AND OPERATION 1-3 Marc h 1999 Part No. 0 01-2009-60 0 2000 Seri es Se rvice Kit - This kit includes an ext ender card, ext ender cabl es, TIC bia s cable and programmi ng cable. Th ese items a re used whe n tuning th e repeater and while troubles hooting. Battery Backup Option - It i ncludes t he +26V DC bat- tery ba ckup module t hat [...]

INTRODUCTION AND OPERATION 1-4 March 1 999 Part No. 0 01-2009-60 0 you. When you e nter some n umbers, another number is req ueste d to furt her ca tego riz e the type o f i nforma - tion you need. Y o u may also con tact the Cust omer Service Department by mail. Pl ease inc lude all informati on that may b e helpful in solvi ng your prob lem. The [...]

INTRODUCTION AND OPERATION 1-5 Marc h 1999 Part No. 0 01-2009-60 0 1.13 REPEA TER OPERA TION 1.13.1 MAIN PROCESSOR CARD (MPC) Refer to Fi gure 1-2. • Programming Jack J1 provi des input connection from t he computer and th e "flash memory" in the MP C . The program- ming in formatio n in an IBM  PC p rograms the MPC direct ly from th[...]

INTRODUCTION AND OPERATION 1-6 March 1 999 Part No. 0 01-2009-60 0 T able 1-2 ACTIVE REP EA TER ALARMS Alarm No. DS1 CR3 CR4 Definition 0 1 2 3 4 5 6 7 8 9 10 11 13 15 16 17 18 19 20 21 32 33 34 35 36 37 38 39 40 41 42 0 1 2 3 4 5 6 7 8 9 A B D F 0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 A Off Off Off Off Off Off Off Off Off Off Off Off Off Off On On On On O[...]

INTRODUCTION AND OPERATION 1-7 Marc h 1999 Part No. 0 01-2009-60 0 1.13.3 MAIN AUDIO CARD (MAC) Refer to Fi gure 1-2. • External Speaker J ack J104 provid es repeater audi o outpu t to an external speaker . The local volume cont rol adjus ts the vol ume level o f this sp eaker . • Speaker/ Microphone Jac ks J102 prov ides audio in put from a mi[...]

INTRODUCTION AND OPERATION 1-8 March 1 999 Part No. 0 01-2009-60 0 1.13.5 POWER SUPPL Y The 2000 Seri es Repeater Power Supply is a quad output 8 00W supply wit h power factor correction. A batter y back-up module , PN 023-2000- 830, can be added to the power supply t o provide a utomatic b at- tery re vert in t he event o f AC power fai lure (s ee[...]

INTRODUCTION AND OPERATION 1-9 Marc h 1999 Part No. 0 01-2009-60 0 Repeater Connectio n T o Switch The repea ters can be locate d at the s ame Localit y as the Swit ch or t hey m a y be lo cated at a Lo cal it y that is many mil es from the Swi tch. A voice and data link is requ ired betwe en the rep eaters a nd Switch. This link ca n be a dire ct [...]

INTRODUCTION AND OPERATION 1-10 March 1 999 Part No. 0 01-2009-60 0 1.14.4 SWITCH The Switch can connec t several dif ferent forms of commu nication together to form a com munication net- work that require s the Call Processor . It has up to six shelves with 12 or 16 device slots e ach (72 or 96 slots availa ble) and up to three racks (for 21 6 or [...]

INTRODUCTION AND OPERATION 1-11 Marc h 1999 Part No. 0 01-2009-60 0 1.14.1 1 TELEPHONE INTERCONN ECT AND DA T A TRANSMISSION Mobile transceive rs can be u sed to access th e PSTN (Publi c Switched T elephone Ne twork). How- ever , this int erconnect ope ration mus t be on a second - ary basi s to disp atch oper ation. An ex ception i s when the tr [...]

INTRODUCTION AND OPERATION 1-12 March 1 999 Part No. 0 01-2009-60 0 Unique IDs also p ermit indivi dual mob ile un its t o be call ed using the s pecial c alls desc ribed in the pr e- ceding s ection. Cal ls can al so be made t o individ ual transc eivers us ing stand ard call Group IDs 1-2 39 if an ID is as signed to only one trans ceiver . 1.15.3[...]

INTRODUCTION AND OPERATION 1-13 Marc h 1999 Part No. 0 01-2009-60 0 SPEC IFICA TIO NS GENERAL 1 Frequenc y Range 896-901 MHz Rec eive, 935- 940 MHz T ransmit Dimensions 9.125 H x 17" W x 20.9" D AC V oltage/ Frequency 100-240V AC/5 0-60 Hz AC Current (at 1 17V AC) 0.40A (S tandby), 1.8A (25W), 3.3A (75W), 5.8A (1 60W) AC Input Power 47W ([...]

INTRODUCTION AND OPERATION 1-14 March 1 999 Part No. 0 01-2009-60 0 2000 OCXO DRA WER Size 1.75” h i gh, 17” wide, 14” dee p (19” rac k mount, 1 rack un it height) W eight 8 pounds Shipping W eight 9 pounds Operational T emperature Range -30°C to + 60°C (-22 ° F to +140 ° F) AC V oltage/Fre quency 1 15V AC ±15% 50/60 Hz DC V oltage ( w[...]

2-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 2 INST ALLA TION 2.1 INTRODUCTION Inform ation i n this sec tion tells how to set up the repeat er for ope ration i n an L TR-Net system. It is assume d that th e repeater h as been pre viously a l igned at the f actory o r as describ ed in the alignmen t proce- dure in Section 7. Even thoug h each re[...]

INS TAL LATI ON 2-2 March 1 999 Part No. 0 01-2009-60 0 repeat er or 6A for each 160W repeater and should be protect ed by a ci rcuit br eaker . It is recommen ded that all of the repe at er s in a ra ck sho u ld not be on t he same breaker in order to provide one opera tional r epeater in the even t a breaker tri ps. An AC sur ge protector is reco[...]

INSTALLATION 2-3 Marc h 1999 Part No. 0 01-2009-60 0 2.6.1 AC INPUT REQU IREMENTS AC Input V oltage: 100-240V AC Line Frequenc y: 50-60 Hz AC In-rus h: 60A maximum Overall Ef ficiency: >70% at 100V AC >80% at 240V AC Lightni ng protect ion: 6k V for < 1ms Pow er Fac tor: >0.9 7 at fu ll loa d Brown Out V oltage: 80V AC T emperature - 30[...]

INS TAL LATI ON 2-4 March 1 999 Part No. 0 01-2009-60 0 Ground eac h piece of equ i pment separately . Do not groun d one piece of equipmen t by co nnec ti ng i t to another grounded piec e of equipment. A good DC groun d must be fou nd or created at the sit e. Rooftop site gro unds can be r esearche d through the build ing manag ement or archi tec[...]

INSTALLATION 2-5 Marc h 1999 Part No. 0 01-2009-60 0 • Do not r un ground wi res par allel to any oth er wirin g (e.g. a gr ound wire parall el to a t elephone lin e), except o ther ground wires . • Double che ck all equipment for good ground and that al l connect ions are clean and s ecure. 2.8 UNP ACKING AND INSPECTION The Repeat er is shi pp[...]

INS TAL LATI ON 2-6 March 1 999 Part No. 0 01-2009-60 0 2.9 REPEA TER DA T A BUS INST ALLA TION The repea t ers are inte rconnecte d by a bala nced line Hig h-Speed Dat a Bus (HSDB) consis ting of a si x conducto r cable. The tota l length of the HSDB cannot exceed 50 0 feet. Connect t he cables in daisy- chain fashion to modular connect or A5 on t[...]

INSTALLATION 2-7 Marc h 1999 Part No. 0 01-2009-60 0 2.10 CONNECTING RECEIVE AND TRA NSMIT ANTENNAS Receive a nd T ransmit ante nna connect or loca- tions a re shown in Figure 2-7 . Although each tr ans- mitter and recei ver could b e connecte d to a sepa rate antenna, this is usuall y not done beca use of the lar ge number of a ntennas requ ired b[...]

INS TAL LATI ON 2-8 March 1 999 Part No. 0 01-2009-60 0 2. A s eparate RS-232 serial li nk can be use d. Figure 2-10 MAC DIP SWITCH SETTINGS FOR RS-232 LINK 3. Th e FSK data can be sent over t he voice link using a Blank an d Bur st t ec hni que . No separate data link is the n requ ire d. Figure 2-1 1 MAC DIP SWITCH SETTINGS FOR BLANK AND BURST LI[...]

INSTALLATION 2-9 Marc h 1999 Part No. 0 01-2009-60 0 Figure 2-13 A TTENUA TOR SETTINGS A TTENUA TO R INPUT 20dB 10dB 10dB 6dB 3dB OUTPU T J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 A TTENUA TO R INPUT 20dB 10dB 10dB 6dB 3dB OUTPU T J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 A TTENUA TO R INPUT 20dB 10dB 10dB 6dB 3dB OUTPU T J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 36 dB A TTENUA TI[...]

INS TAL LATI ON 2-10 March 1 999 Part No. 0 01-2009-60 0 Figure 2- 14 SINGLE REPEA TER INST ALLA TION Figure 2-15 TWO REPE A TER INST ALLA TION J4 1 2 3 46 5 MPC SWITCHES/JUMPERS 23 1 J5 SELECTION HSDB CODE SELECTION CRYST AL ON 2 18 7 6 5 4 3 ON 2 14 3 S3 S2 115V OUTPUTS 1 . 25 MHz SERIES 2000 OCXO DRA WER (023-2000 -925) TO GPS 10 MHz 10 MHz 1.25[...]

INSTALLATION 2-11 Marc h 1999 Part No. 0 01-2009-60 0 Figure 2-16 THREE OR M ORE REPEA TERS INST ALLA TION J4 1 2 3 46 5 MPC SWITCHES/JUMPERS 23 1 J5 SELECTION HSDB CODE SELECTION CRYST AL J4 1 2 3 46 5 MPC SWITCHES/JUMPERS 23 1 J5 SELECTION HSDB CODE SELECTION CRYST AL J4 1 2 3 46 5 MPC SWITCHES/JUMPERS 23 1 J5 SELECTIO N HSDB CODE SELECTI ON CRYS[...]

INS TAL LATI ON 2-12 March 1 999 Part No. 0 01-2009-60 0 Figure 2-17 MORE THAN ON E RACK OF L TR-Net REPEA TERS 115V OUTPUTS 1.25 MHz 1.2 5 M Hz INPU T 1.2 5 M Hz OUTPUTS SERIES 2 000 OCX O DRAWER (023 -2000-925) 8-WA Y SPLITT E R SHELF (023- 2000 -924) MPC SWI TCHES/JUMPER S HSDB HSDB HSDB HSD B SPLIT IN 0 dBm 0 dBm -10 dBm END REPEA TERS ON ON S3[...]

3-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 3 SOF TW ARE 3.1 INTRODUCTION 3.1.1 PROGRAMM ING SETUP The foll owing items are r equired to pr ogram the repeat er . The par t numbers of this equipment a re shown in Se ction 1, T able 1-1. A p rogramming setu p is shown a bove. The L T R-Net Programmer on 3.5 inch disk, Part No. 023-9998 -459, uses[...]

SOFTWARE 3-2 March 1 999 Part No. 0 01-2009-60 0 3.1.3 PROGRAMM ING CABLES The cable s from the repeat er to th e computer are not incl uded. Figure 3-2 LAPTOP INTERCONNECT CABLE 3.1.4 EEPROM DA T A STORAGE The data programmed in to the MPC i s stored by an EEPROM memory . Since thi s type of devi ce is nonvolat ile, data i s stored inde finitely w[...]

SOFTWARE 3-3 Marc h 1999 Part No. 0 01-2009-60 0 3.2 MISCELLANEOUS SOF TW ARE INFORMA- TION 3.2.1 MINIMUM FREE M EMORY REQUIRED Approximat ely 2MB of fr ee memory i s requir ed to run t his program. I f not enough is available, the re may b e oth er pro gram s that are a ls o bei ng loa ded in to conventi onal memory . These progr ams can be close [...]

SOFTWARE 3-4 March 1 999 Part No. 0 01-2009-60 0 Figure 3-4 PROGRAM MING FLOWCHART FILE UTILIT IES New* Ctrl+N Select Re peater* Repeater I nformatio n* EDIT Locality In formation* Delete Rep eater HSDB Mo nitor* HARDW ARE TRANSFER Read Setup Parameters* Exciter TEST Define Rep eaters Edit Param eters General P arameter s All T ests Open* Ctrl+ O S[...]

4-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 4 L T R-Net PROGRAMMER 4.1 MENU DISPLA YS The menus av ailable are l isted at th e top of the screen (see Figure 4 -1). Move the cursor with the mouse to hi ghlight the menu name. Press the left mouse key t o view the menu and the mouse t o scroll through the menu. Call up the hi ghlighted sele ction [...]

LTR-Net PROGRAM MER 4-2 March 1 999 Part No. 0 01-2009-60 0 Figure 4-4 EDIT PROGRAM MING FLOWCHART Define Repeat ers Adjacent Locality Data Edit Paramete rs Gene ral Para meters Select Repeater Repea ter Inform ation EDIT Locality In formation Delete Repe ate r Inpu t Alarms Output A larms Alarm Cros s Reference 4.3.1 LOCALITY INFORMA TION This men[...]

LTR-Net PR OGRAMMER 4-3 Marc h 1999 Part No. 0 01-2009-60 0 Figure 4-7 ADJACENT LOCALITY DA T A • Select the Locality ID number for the Lo cality cur- rently being defi ned. • Select a Local ity ID for each of th e closest Adjacent Localit ies (0-15). • Select a Preference numbe r for eac h Adjacent Localit y nu mber as an a lter nativ e when[...]

LTR-Net PROGRAM MER 4-4 March 1 999 Part No. 0 01-2009-60 0 4.3.3 REPEA TER INFORM A TION This me nu selectio n has an equivalen t icon in the toolb ar . This menu selection or icon brings up the parame ter pages for the selected repeater . It allows entry of inf ormation sp ecific t o this r epeater . Figure 4-9 REPEA TER CO NFIGURA TION T able 4-[...]

LTR-Net PR OGRAMMER 4-5 Marc h 1999 Part No. 0 01-2009-60 0 Figure 4-10 INPUT ALARMS Input Alarms There ar e four Inp ut Alarms t hat can be activat ed by exter nal devic es (see Se ction 6.13) . These in puts can be Dis abled, Ener gized or De-Ener gized. Alarms 3 and 4 can also be Analog Inp uts. • Disable d - The i nput alarm li ne is ina ctiv[...]

LTR-Net PROGRAM MER 4-6 March 1 999 Part No. 0 01-2009-60 0 Cross Referenc e The cross reference screen se lects th e Output Alarm tha t is activate d by each In put Alarm. There ar e up to: • 48 alar ms (0-47) • 4 (hardwa re) External Input Alarms • 18 (soft ware) Int ernal Al arms (see T able 1 -2). • 26 unused There ar e 4 Output Alar ms[...]

LTR-Net PR OGRAMMER 4-7 Marc h 1999 Part No. 0 01-2009-60 0 4.3.4 DELETE REPEA TER Selec t th e R epea ter nu mbe r t o dele te fr om this Localit y and pres s the Delet e button. Figure 4-14 DELETE REPEA TER 4.4 TRANSFER Figure 4-15 TRANSFER MENU 4.4.1 READ SETUP P ARAMETERS This menu select ion has an eq uivalent icon i n the t oolbar . This menu[...]

LTR-Net PROGRAM MER 4-8 March 1 999 Part No. 0 01-2009-60 0 4.5 HARDW ARE Figure 4-17 HARDW ARE MENU Figure 4-18 HSDB MONITOR 4.5.1 HSDB MONITOR This menu se lection has an equival ent icon in the toolba r . This menu selection or ic on brings up the monit or window to view informat ion from the High Speed Data Bus (HSDB) . The HSDB connects all re[...]

LTR-Net PR OGRAMMER 4-9 Marc h 1999 Part No. 0 01-2009-60 0 4.5.3 RF DA T A Figure 4-20 RF DA T A The RF Line Moni tor window shows the stat e of the li nes (see Fi gure 4-19 ). These li nes are mon itored by the A-D c onverter in the IAC. The normal values for eac h line are defined as follows. Synthesi zer Lock Lines : Exciter Synthesizer Y es, N[...]

LTR-Net PROGRAM MER 4-10 March 1 999 Part No. 0 01-2009-60 0 4.5.6 MODE SELECT The Mode S elect wind ow places t he repeat er either in the Normal mode, T est mode or Diag nostic mode. In t he Normal mode, th e repeater operat es as a normal re peater . In the T est mode or Diagnost ic Mode the rep eater tr ansmits a test word. This test word is th[...]

LTR-Net PR OGRAMMER 4-11 Marc h 1999 Part No. 0 01-2009-60 0 4.6.1 EXCITER This menu s election walks t hrough the Exciter alignment windows. Ref er to Sect ion 7.3 for the Exciter alignment and Figure 7-2 for a n alignment points d iagram and Figure 7-10 for a test set up of the Exciter . 4.6.2 POWER AMPLIFIER This menu s election walks t hrough t[...]

LTR-Net PROGRAM MER 4-12 March 1 999 Part No. 0 01-2009-60 0 4.8 VIEW 4.8.1 ST A TUS BAR The S tatus Bar is lo cated at the botto m of the screen that disp lays inf ormation ab out the re peater . 4.8.2 TOOLBAR The tool bar may be det ached (f loating) from the main window b y dragging the toolbar t o a new loc a- tion wit h the mouse. It may also [...]

4-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 4 L T R-Net PROGRAMMER 4.1 MENU DISPLA YS The menus av ailable are l isted at th e top of the screen (see Figure 4 -1). Move the cursor with the mouse to hi ghlight the menu name. Press the left mouse key t o view the menu and the mouse t o scroll through the menu. Call up the hi ghlighted sele ction [...]

LTR-Net PROGRAM MER 4-2 March 1 999 Part No. 0 01-2009-60 0 Figure 4-4 EDIT PROGRAM MING FLOWCHART Define Repeat ers Adjacent Locality Data Edit Paramete rs Gene ral Para meters Select Repeater Repea ter Inform ation EDIT Locality In formation Delete Repe ate r Inpu t Alarms Output A larms Alarm Cros s Reference 4.3.1 LOCALITY INFORMA TION This men[...]

LTR-Net PR OGRAMMER 4-3 Marc h 1999 Part No. 0 01-2009-60 0 Figure 4-7 ADJACENT LOCALITY DA T A • Select the Locality ID number for the Lo cality cur- rently being defi ned. • Select a Local ity ID for each of th e closest Adjacent Localit ies (0-15). • Select a Preference numbe r for eac h Adjacent Localit y nu mber as an a lter nativ e when[...]

LTR-Net PROGRAM MER 4-4 March 1 999 Part No. 0 01-2009-60 0 4.3.3 REPEA TER INFORM A TION This me nu selectio n has an equivalen t icon in the toolb ar . This menu selection or icon brings up the parame ter pages for the selected repeater . It allows entry of inf ormation sp ecific t o this r epeater . Figure 4-9 REPEA TER CO NFIGURA TION T able 4-[...]

LTR-Net PR OGRAMMER 4-5 Marc h 1999 Part No. 0 01-2009-60 0 Figure 4-10 INPUT ALARMS Input Alarms There ar e four Inp ut Alarms t hat can be activat ed by exter nal devic es (see Se ction 6.13) . These in puts can be Dis abled, Ener gized or De-Ener gized. Alarms 3 and 4 can also be Analog Inp uts. • Disable d - The i nput alarm li ne is ina ctiv[...]

LTR-Net PROGRAM MER 4-6 March 1 999 Part No. 0 01-2009-60 0 Cross Referenc e The cross reference screen se lects th e Output Alarm tha t is activate d by each In put Alarm. There ar e up to: • 48 alar ms (0-47) • 4 (hardwa re) External Input Alarms • 18 (soft ware) Int ernal Al arms (see T able 1 -2). • 26 unused There ar e 4 Output Alar ms[...]

LTR-Net PR OGRAMMER 4-7 Marc h 1999 Part No. 0 01-2009-60 0 4.3.4 DELETE REPEA TER Selec t th e R epea ter nu mbe r t o dele te fr om this Localit y and pres s the Delet e button. Figure 4-14 DELETE REPEA TER 4.4 TRANSFER Figure 4-15 TRANSFER MENU 4.4.1 READ SETUP P ARAMETERS This menu select ion has an eq uivalent icon i n the t oolbar . This menu[...]

LTR-Net PROGRAM MER 4-8 March 1 999 Part No. 0 01-2009-60 0 4.5 HARDW ARE Figure 4-17 HARDW ARE MENU Figure 4-18 HSDB MONITOR 4.5.1 HSDB MONITOR This menu se lection has an equival ent icon in the toolba r . This menu selection or ic on brings up the monit or window to view informat ion from the High Speed Data Bus (HSDB) . The HSDB connects all re[...]

LTR-Net PR OGRAMMER 4-9 Marc h 1999 Part No. 0 01-2009-60 0 4.5.3 RF DA T A Figure 4-20 RF DA T A The RF Line Moni tor window shows the stat e of the li nes (see Fi gure 4-19 ). These li nes are mon itored by the A-D c onverter in the IAC. The normal values for eac h line are defined as follows. Synthesi zer Lock Lines : Exciter Synthesizer Y es, N[...]

LTR-Net PROGRAM MER 4-10 March 1 999 Part No. 0 01-2009-60 0 4.5.6 MODE SELECT The Mode S elect wind ow places t he repeat er either in the Normal mode, T est mode or Diag nostic mode. In t he Normal mode, th e repeater operat es as a normal re peater . In the T est mode or Diagnost ic Mode the rep eater tr ansmits a test word. This test word is th[...]

LTR-Net PR OGRAMMER 4-11 Marc h 1999 Part No. 0 01-2009-60 0 4.6.1 EXCITER This menu s election walks t hrough the Exciter alignment windows. Ref er to Sect ion 7.3 for the Exciter alignment and Figure 7-2 for a n alignment points d iagram and Figure 7-10 for a test set up of the Exciter . 4.6.2 POWER AMPLIFIER This menu s election walks t hrough t[...]

LTR-Net PROGRAM MER 4-12 March 1 999 Part No. 0 01-2009-60 0 4.8 VIEW 4.8.1 ST A TUS BAR The S tatus Bar is lo cated at the botto m of the screen that disp lays inf ormation ab out the re peater . 4.8.2 TOOLBAR The tool bar may be det ached (f loating) from the main window b y dragging the toolbar t o a new loc a- tion wit h the mouse. It may also [...]

5-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 5 REPEA TER PROGRAMMING 5.1 OVERVI EW The in formation in th is sect ion will assist the us er in opera ting the p rogrammer . 5.1.1 GETTING ST ARTED The L TR-Net Programmer i s used to c onfigure repeate rs for pr ope r o per at ion with the L TR- Net pro to- col. From the repea ter standp oint, an L[...]

REPEATER PROGRAMM ING 5-2 March 1 999 Part No. 0 01-2009-60 0 5.2.1 GENERAL PARAMETERS These re peater parameter s select t he frequen cy band for the repea ter and t he channel number . Ther e are 920 c hannel number s with tr ansmit/r eceive f re- quencies assigned (see Append ix A). Th e area bit i s used to i dentify a specific sys tem if more [...]

6-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 6 CIRCUIT DESCR IPTION 6.1 RECEIVER 6.1.1 INTRODUCTION The rece iver provi des high s ensitiv ity and se lec- tivit y recepti on on any one of the 399 channels i n the 896 to 901 MHz band. The rece iver is a double conv ersion t ype with interme diate freque ncies of 52.95 MHz and 450 k Hz. The fir st[...]

CIRCUIT DESCRIPTION 6-2 March 1 999 Part No. 0 01-2009-60 0 Figure 6-1 RECEIVER BLOCK DIAGRAM RECEIVE RF IN L201/L202/L203 FIL TER BANDP ASS Q201 RF AMP L204/L205/L206 FIL TER BANDP ASS U201 MIXER CRYST AL FIL TER Z201/Z202 Q202 IF AMP CRYST AL FIL TER Z203/Z204 AUDIO AMP U203A RSSI U203B RSSI Q205 MUL TIPLIER BUFFER U209 SYN CS RX SYN LK RX BUFFER[...]

CIRCUIT DESCRIPTION 6-3 Marc h 1999 Part No. 0 01-2009-60 0 The 450 kHz s econd IF is then f ed to cer amic fil- ter Z205, then to the IF ampl ifier . The center fre- quency of Z205 is 450 k Hz with a -6 dB bandwidth of 9 kHz used t o attenuate wideband noi se. The limit er amplifi es the 450 kHz signal 92 dB which re moves any ampli tude fluctua t[...]

CIRCUIT DESCRIPTION 6-4 March 1 999 Part No. 0 01-2009-60 0 Figure 6-3 SYNTHESIZER BLOCK DIAGRAM (OPEN-DRAIN OUTPUT) 15 OUTPUT B DA T A OUT 24 BITS A REGISTER INPU T AM P PRES CAL ER 64/65 in f in f 10 11 LOGIC MODULUS CONTROL N COUNTER 12- ST A GE A COUNTER 6-STAGE CONTROL INTERNAL POR LOGIC ST AN DBY 8 BITS C REGISTER ENABLE 17 19 DA T A IN CLOCK[...]

CIRCUIT DESCRIPTION 6-5 Marc h 1999 Part No. 0 01-2009-60 0 T o determin e the over all divide n umber of the prescal er and N cou nter , the nu mber of TCXO outp ut pulses r equi re d to produce one N counter out put pulse can be co unted. The pr escaler divides b y 65 for 65 x 22 or 143 0 i nput pulses. It then di vides by 64 for 64 x (27 - 22) o[...]

CIRCUIT DESCRIPTION 6-6 March 1 999 Part No. 0 01-2009-60 0 6.1.15 SYNTHESIZER The synth esizer inputs/ outputs a re shown in Fig- ures 6- 1 and 6-3. The syn t hesizer output si gnal is the receiv er first inject ion frequ ency . This signal is pro- duced by a VCO (volt age-contr oller os cillat or). The frequen cy of this oscill ator is cont rolle[...]

CIRCUIT DESCRIPTION 6-7 Marc h 1999 Part No. 0 01-2009-60 0 NOTE: Section 8 .2.5 describes how t he N and A counter numbers ar e calcu lated for other chan nels. T o determin e the over all divide n umber of the prescal er and N cou nter , the nu mber of VCO outp ut pulses r equi re d to produce o ne N coun ter out put pul se can be counted. In t h[...]

CIRCUIT DESCRIPTION 6-8 March 1 999 Part No. 0 01-2009-60 0 C803 co uples Q802 t o resonato r L404 in t he Exciter . Resonator L404 provides the shunt inductanc e of the tank ci rcuit. The shunt capa citance of the tan k circuit is made primar ily of C804 i n series wi th CR802. RF choke L805 completes the DC bias path to ground. The VCO frequ ency[...]

CIRCUIT DESCRIPTION 6-9 Marc h 1999 Part No. 0 01-2009-60 0 This sig nal is i ntegrate d to provi de a DC tuning voltage for the TCXO. T he DC tuning volt age pro- vides t he TCXO with the ± 0. 1 PPM stabil ity of th e OCXO (see Sect ion 6.3). The phase detector output si gnal is generated by counter s in U401 pro grammed t o divide by a certain n[...]

CIRCUIT DESCRIPTION 6-10 March 1 999 Part No. 0 01-2009-60 0 Figure 6- 4 EXCITER BLOCK DIAGRAM BUFFER DA T A CLK BUFFER VCO BUFFER AMP SYN CS EX SYN LK E X U403 Q406/Q4 07 U404B BUFFER Q410/Q41 1 Q412 Q413 AMP Q405 Q403/Q404 BUFFE R Y401 TCXO U404A U402A U402 B EX MOD LP TT SWITCH TO P A A007 AMP AMP U407B V REF EX HS L K EX HS CS EX U401 BUFFER Q4[...]

CIRCUIT DESCRIPTION 6-11 Marc h 1999 Part No. 0 01-2009-60 0 The synth esizer contain s the R (refe rence), N, and A count ers, phase and lock de tectors and coun ter programmin g circuit ry . One input signal t o the phase detector in U403 is the re feren ce fre qu ency (f R ). This frequ ency is the 17.5 MHz TCXO freq uency divi ded by the ref er[...]

CIRCUIT DESCRIPTION 6-12 March 1 999 Part No. 0 01-2009-60 0 RF bypass i s provided by C4 16, C418 and C419 . The output o f Q403/Q404 is co upled to U403 , pin 20 by C417. 6.2.10 BUFFER AMPLIFIER A cascode amplifier f ormed by Q406 an d Q407 provide s amplifi cation and also iso lation betwee n the VCO and Synthe sizer U403. A cascode ampli fier i[...]

CIRCUIT DESCRIPTION 6-13 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-5 OCXO DRA WER BLO CK DIAGRAM OCXO 1 OCXO 2 Q901 Y901 Y902 BUFFER BUFFER Q902 DIV IDE R U905 LINE DRIVERS U906A U906B SWITCH REMOTE SWITCH S904 OCXO SWITCH S905 REMOTE SWITCH S904 OCXO SWITCH S905 CR902/CR903 U908 CR904/CR905 U909 SWITCH U901A/C/D U903 D, U9 04A U902B, U904D U901[...]

CIRCUIT DESCRIPTION 6-14 March 1 999 Part No. 0 01-2009-60 0 Figure 6-6 OCXO DRA WER FRO NT/REAR P ANELS 115V TM FRONT P ANEL BAC K P ANE L IN OUT 10 MH z 1.25 MH z OUTPUT S OCXO2 DEL T A F OUTPUT AC DC OCXO1 OCX O 2 INTERRU PT OCXO 1 INTERRUP T INTERRU PT DC BACK UP FOR PROP ER ST ABILIZA TION ALLOW 3 0 MINUT ES W ARM UP 16 15 17 1 8 5 6 7 8 9 1 0[...]

CIRCUIT DESCRIPTION 6-15 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-7 OCXO SW ITCHING U903D U904A U904D U901C U902B U901B U901D U901A U902A U902C U902D 1 2 3 4 5 61 1 1 0 12 13 11 10 9 8 4 5 6 74HC00 74HC08 1 2 3 12 13 11 12 13 11 12 10 9 8 74HC04 REMOTE CO N TROL (S904, U908) OSCILLA TOR SELECT (S905, U909) (Q906, DS902) (Q909, DS903) 10 MHz (OC[...]

CIRCUIT DESCRIPTION 6-16 March 1 999 Part No. 0 01-2009-60 0 to U913. The output of thi s phase co mparator at U91 1, pin 13 is es sential ly low if the input fr om the VCO is hig her i n f re que ncy tha n t he input from U91 1, pin 12. Conv ersely , this output is essenti ally high i f the inpu t f ro m the VCO is lowe r i n f requen cy than the [...]

CIRCUIT DESCRIPTION 6-17 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-8 75W P A BLOCK DIAGRAM RF IN POWER CON TROL DRIVE R THERMAL SE NSOR FINAL 2 POWER FINAL 1 POWER COMB INER RF OUTPUT LOW-P ASS FIL TER SENS E POWER PRE-DR IVER AMP / POWE R SENSE U501 Q501 Q502 Q503 U502A U503 THERMAL SENS OR AMP RF L OAD U651A/B U652A/B CIRCULA TOR 2 2 SPLITTER [...]

CIRCUIT DESCRIPTION 6-18 March 1 999 Part No. 0 01-2009-60 0 Figure 6-9 160W P A BLOCK DIAGRAM RF IN DRIVER THERMAL SENSO R COMBINER RF OUTPUT LOW-P ASS FIL TER VSWR FORWARD U501 U502A U503 THE RMAL SENSOR AMP RF LOAD U651A/B U652A/B DIRECTIONAL COUPLER CIRCULA TOR GAIN B LOCK Q502 Q701 Q702 POWER SENSE DELA Y LINE 1/2 WA VE POWER SENSE POWER SENSE[...]

CIRCUIT DESCRIPTION 6-19 Marc h 1999 Part No. 0 01-2009-60 0 6.6 RF INTERF ACE BOARD The RF Inte rface Boar d connect s the Recei ver , Exciter and Power Ampli fier to th e backplane and power supp ly (see Figure 6-10). The input and output con nectors f or the RF Inte r- face Boar d are def ined as fo llows. 6.6.1 POWER CONNECTOR The power s upply[...]

CIRCUIT DESCRIPTION 6-20 March 1 999 Part No. 0 01-2009-60 0 Pin 13 RF MUX1 INH The Multip lexer-1 I nhibit (U 105, pin 6) i s a CMOS input from the Cont roller that inh ibits (d is- ables) the output from the RF 1 Multiplex e r with a logic hi gh. Pin 14 V REF EX This is the 3.5V reference to th e Exciter TCXO. 3.5V from th e Exciter is passed fr [...]

CIRCUIT DESCRIPTION 6-21 Marc h 1999 Part No. 0 01-2009-60 0 Pin 30 RSSI This pin i s the Re ceive Si gnal S tr ength Indica tion to the Contr oller . This RSSI is use d f or tun e-up o f the Receiver front-end d uring factor y test mode. The dynamic r ange is 60 dB. It has an out put from an op- amp with t he voltage going from 0.5V t o 4.5V . The[...]

CIRCUIT DESCRIPTION 6-22 March 1 999 Part No. 0 01-2009-60 0 WO 122 RF OUT 1 This capa citive feedth rough pin i s a voltage source t hat i s a func ti on o f t he ou tput power of Q701. The volt age level wil l be between 0V -5V and drive a 10k ohm load. Thi s line go es throug h the mult iplexers and A D LEVE L line to the Cont rolle r for pr oce[...]

CIRCUIT DESCRIPTION 6-23 Marc h 1999 Part No. 0 01-2009-60 0 Pin 10 GROUND Pin 1 1 LP TT The Logic P ush-T o-T alk (LP TT) is an o pen col- lector from the Con troller . It has a si nk capabil ity of 20 mA nominal and a voltage ratin g of 18V maxi- mum. The tran smitter shou ld produce power when this p in is a l ogic l ow . Pin 12 SYN CS EX Pin 12[...]

CIRCUIT DESCRIPTION 6-24 March 1 999 Part No. 0 01-2009-60 0 Pin 10 UNUSED Pin 1 1 GROUND Pin 1 1 carrie s ground cu rrent bet ween the RFI B and the Re ceiver bo ard. Pin 12 SYN CS RX Pin 12 is the Recei ver main syn thesizer chip select . This chi p is the s ame part as used in th e Exciter . A low enabl es loadin g the Synthesizer . Pin 13 RX IN[...]

CIRCUIT DESCRIPT ION 6-25 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-10 RF INTERF ACE BOARD BLOCK DIAGRAM VREF EX WO135 P102 P101 P105 P104 P103 PWR CNTRL U101 Q102-Q105 U102B Q101 U109A U109B U109D U1 10E U1 10F U108A Q106 Q107 FA N 2 L O W F AN HIGH FA N 1 L O W F AN HIGH 3 4 U107B FA N 2 B U F F E R U107A FA N 1 B U F F E R J104 U1 10 A U1 10B[...]

CIRCUIT DESCRIPTION 6-26 March 1 999 Part No. 0 01-2009-60 0 6.7 800W POWER SU PPL Y WA R N I N G This power supply cont a ins vol t age pot entials grea ter than 400V . Considering t he dangerous volt ages and the comple xity of the swit ch-mode power supply , it is strongl y recommended the p ower supply be returned to E.F . Johnson for repai r ([...]

CIRCUIT DESCRIPT ION 6-27 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-1 1 POWER SUPPL Y BLOCK DIAGRAM DC IN RT1 0 1 , RT1 02 L107 U102 T103 T104 Q108 Q101 T105 RAMP FB PFC I SENSE LADDER RESIST O R U108 VDC U109 VCC T106 PWM OUT Q115, Q1 16 Q117, Q1 18 T106 L101 SYNC +26.5V DC EXT IN T101 AC IN CR101, CR102 CR1 10, CR11 1 AC SENSE Q105, Q106 Q103 [...]

CIRCUIT DESCRIPTION 6-28 March 1 999 Part No. 0 01-2009-60 0 In opera tion, the power MOSFET s Q1 16, Q11 8 are on f or approxi mately one- third of the peri od pro- viding c urrent to t he primary sid e of T107. During that t ime CR121 is forwa rd conducting and char ging L101. When th e MOSFET s are switched of f, the mag- netizi ng curren t of T[...]

CIRCUIT DESCRIPTION 6-29 Marc h 1999 Part No. 0 01-2009-60 0 6.7.6 +15V CONVERTER The input voltage to t his "Buck" DC/ DC con- verter is the mai n +26.5V outpu t fused through F 102. The bias voltage for the controll er IC U1 12, pin 15 i s provide d by a +15V re gulator U1 1 1. The basic buck convert er consists of MOSFET Q125, Sc hottk[...]

CIRCUIT DESCRIPTION 6-30 March 1 999 Part No. 0 01-2009-60 0 The maj ority of the voltage a nd current limi ts are set wi th fix ed valu e c ompo ne nts in th e pow e r supp ly . However , the +26 .5V , +15V and +5.2V suppli es are adjust able. When certain components a re repla ced, the volt age s mu st be adj ust ed . The vol ta ges s houl d be s[...]

CIRCUIT DESCRIPTION 6-31 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-12 NO LOAD CHARG E VOL T AGE vs. TEMPERA TURE 6.8.3 REVERSE BA TTER Y PROTECTION T o obtain reve rse batt ery prote ction a numb er of techniq ues were imp lemented. Q108/Q1 10 are arrange d in a Darl ington con figuration to isolate the output c apacitors C10 9-C1 1 1 from condu[...]

CIRCUIT DESCRIPTION 6-32 March 1 999 Part No. 0 01-2009-60 0 6.8.6 BBM F AN CONTROL The volt age supply t o the thermal measurement circuit i s taken f rom the 26.5V DC line i nto the BBM. A precis ion temp erature sen sor U106 is mounted on the P C board near a screw in to the BBM brac ket which tr ansfers h eat to th e sensor . The output o f thi[...]

CIRCUIT DESCRIPTION 6-33 Marc h 1999 Part No. 0 01-2009-60 0 6.10 ALARM EXTERNAL C ONNECT OR BO ARD The alar m external connector board (A10) is the interf ace for the alarm outp uts and connectin g repeat- ers thr ough the hi gh speed da ta bus. Figure 6-14 ALARM EXTERNAL CONNECTOR BOARD D A T A 1 D A T A2 J1 25 26 A L A R M I N AL A R M O U T 33 [...]

CIRCUIT DESCRIPTION 6-34 March 1 999 Part No. 0 01-2009-60 0 6.1 1 MAIN PROCESSOR CAR D 6.1 1.1 INTRODUCTION The Main Processor Card (MPC) con nects to t he computer w ith re peater s oftware to pr ogram the repeat er paramet ers, sets and reads the alarms , han- dles communi cation b etween repe aters, maint ains the audio gat ing for t he MAC, ha[...]

CIRCUIT DESCRIPTION 6-35 Marc h 1999 Part No. 0 01-2009-60 0 6.1 1.3 HIGH SPEED DA T A BUS MICROPRO- CESSOR The HSDB proce ssor (U13) on the MPC pro- vides t he interf ace with t he HSDB. It monito rs data on this bus and also tr an smit s d ata on to this bus whe n necessa ry . Information o n this bus indicate s which repeat ers are i n use and a[...]

CIRCUIT DESCRIPTION 6-36 March 1 999 Part No. 0 01-2009-60 0 The opera ting speed of th e microproc essor is set by an 1 1.059 MHz cloc k generated by Y2. This clock frequen cy is divided down by an inter nal divider to provide a machine cy cle time of 1.08 µ s . Most pro- gram inst ruction s are exec uted in one machine cyc le and none r equire m[...]

CIRCUIT DESCRIPTION 6-37 Marc h 1999 Part No. 0 01-2009-60 0 Pins 25-2 6 UNUSED Pins 27/5 9 -5V IN This is the -5V input to t he MPC fro m the power supply vi a the Cont roller backp lane. Pins 28-2 9 +5V IN Pins 60-6 1 This is t he +5V input to th e MP C f r om th e p ower supply vi a the Cont roller backp lane. Pins 30/6 2 +15 V IN This is the + [...]

CIRCUIT DESCRIPTION 6-38 March 1 999 Part No. 0 01-2009-60 0 6.12 MAIN AUDIO CARD 6.12.1 INTRODUCTION This cont rol card store s the inf ormation r equired to opera t e the routing of audio an d data fr om the inputs o f the rep eater to the output s. Data is receive d on the a ddress bus from t he MPC for the oper ations to perfor m. The Audio /Da[...]

CIRCUIT DESCRIPTION 6-39 Marc h 1999 Part No. 0 01-2009-60 0 data, and no ise. The audio proces sin g circuit provid es filte ri ng an d ampl if ic ati on of the audio sign al be fo re i t is routed t o the out puts on the MAC card. A low-pass filter consi sting of U1 21A/B atten u- ates fr equencie s above 3 kHz. This removes high-fr e- quency noi[...]

CIRCUIT DESCRIPTION 6-40 March 1 999 Part No. 0 01-2009-60 0 6.12.6 RECEIVE AUDIO PROCESSING The rece ive audio signal from the r eceiver is fed into th e MAC on P100, pin 2 7. When it is a c all that does not need to be r outed to the Switch (i .e. most mobile-t o-mobile c alls util izing onl y that re peater), Repe a t Gate U153C is enab led and [...]

CIRCUIT DESCRIPTION 6-41 Marc h 1999 Part No. 0 01-2009-60 0 Limiter U127D and rect ifiers fo rm a precision limite r which pre vents over modulation caused by high-le vel i nput si gnals . W ith norma l inpu t leve ls, th e output o f a bridge rect ifier f ollows the input of the bridge. When a hig h-level signal is appli ed to the bridge, t he br[...]

CIRCUIT DESCRIPTION 6-42 March 1 999 Part No. 0 01-2009-60 0 stable DC bias volt age for U12 6C/D is requ ired because these stages ar e DC coupled t o the tr ansmit TCXO (see Sect ion 6.2.2) and ch ange s in bias voltage can caus e fluctua tions in the transmit freq uency . U126C /D fo rm a low- pass filter t hat at tenua tes square- wave harm oni[...]

CIRCUIT DESCRIPTION 6-43 Marc h 1999 Part No. 0 01-2009-60 0 This mo dem operates ha lf-duple x, therefore two are use d to prov ide full du plex operation whi ch is the simultaneou s transmissi on and rece ption of dat a. The data ra te is 1200 baud (b its per seco nd). Full duplex 1200 baud o peration is pos sible bec ause a 4-wi re line is used [...]

CIRCUIT DESCRIPTION 6-44 March 1 999 Part No. 0 01-2009-60 0 The input and output connect or s fo r t he MAC are defined as follo ws. 6.12.13 P101 SIGNALING CONNECTOR The signa l inter face conne ctor P101 ( 64 pin) con- nects t he Address and Data buse s and cont rol line s to the back plane connector . See Figure s 6-24 and 6 -25. Pins 1-10 ADDRE[...]

CIRCUIT DESCRIPTION 6-45 Marc h 1999 Part No. 0 01-2009-60 0 Pins 49-5 5 UNUSED Pin 58 VOTER DA T A IN This is used in a V oter sys tem. Data fr om the voted si te is in jected at this pi n. 6.12.14 P100 EXTERNAL OUTPUTS Connector P100 contains the audio and data out- puts to the terminal bl ock on the ba ck of the Repeater cabinet . The se outputs[...]

CIRCUIT DESCRIPTION 6-46 March 1 999 Part No. 0 01-2009-60 0 6.12.19 J104 EXTERNAL SPEAKER J104 prov ides an ext ernal sp eaker conn ection at the rep eater si te for moni toring. 6.12.20 J105 W A TCH DOG J105 enab les or disables the watchd og timer for reset. Normal opera ting mode is P10 5 jumpering J105, pin s 2/3. This jumper should n ot be mo[...]

CIRCUIT DESCRIPTION 6-47 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-20 4 I/O J2 ALARM OUTPU TS 6.13.3 ISOLA TED INPUTS The isol ated alar m inputs are p r ovided via a te r- minal bl ock on the ba ck of the repeater (see Figu res 6- 19 and 6-2 0). The i solat ed in puts are drive n by eithe r AC o r DC signals . The acti ve high in puts can be se[...]

CIRCUIT DESCRIPTION 6-48 March 1 999 Part No. 0 01-2009-60 0 6.13.6 P500 SIGNALING CONNECTOR The input and output con nectors for the IAC a re defined as follo ws. The signa l inter face conne ctor P500 (64 pi n) connec ts the Address and Data bus es and contr ol line s to the ba ckplane co nnector . See Fig- ure 6-26 . Pins 1-4 ADDRESS BUS (A12-A1[...]

CIRCUIT DESCRIPTION 6-49 Marc h 1999 Part No. 0 01-2009-60 0 Pins 21-2 3 UNUSED Pins 24/2 5 +15V ACCESSOR Y This DC supply i s an ou tput to an external devi ce through rear connect or J1. Pins 26/5 8 +15V FIL TERED This DC supply i s an ou tput to an external devi ce through rear connect or J1. Pins 27/5 9 -5V IN This is the -5V input fro m the po[...]

CIRCUIT DESCRIPTION 6-50 March 1 999 Part No. 0 01-2009-60 0 Pin 9 AC F AIL IN This inp ut from the AC sup ply is use d by the AC fail o utput to indi ca te tha t the AC has been interrupte d. Pin 10 SYN CS RX This is the chi p select pin for t he ma in recei ver synth esiz er chip . Th is chip i s the sa me p art a s u sed in the E xciter . A low [...]

CIRCUIT DESCRIPTION 6-51 Marc h 1999 Part No. 0 01-2009-60 0 Pin 31 RF DA T A C Data C (U105 , pin 9) is th e most significant bit (MSB ) in the 3 multip lex chip s loc ated on the RFI B. This pin is a CMOS input fr om the Contro ller re quir- ing a lo gic high f or activa tion. Pin 32 RF DA T A This is a data pin with TTL leve ls from t he Con- tr[...]

CIRCUIT DESCRIPTION 6-52 March 1 999 Part No. 0 01-2009-60 0[...]

CIRCUIT DESCRIPT ION 6-53 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-23 MAIN PROCESSO R CARD BLOCK DIAGRAM[...]

CIRCUIT DESCRIPT ION 6-54 March 1 999 Part No. 0 01-2009-60 0 Figure 6- 24 MAIN AUDIO CARD LOGIC BLOCK DIAGRAM[...]

CIRCUIT DESCRIPT ION 6-55 Marc h 1999 Part No. 0 01-2009-60 0 Figure 6-25 MAIN AUDIO CARD AUDIO BLOCK DIAGRAM[...]

CIRCUIT DESCRIPT ION 6-56 March 1 999 Part No. 0 01-2009-60 0 Figure 6-26 INTERF ACE ALARM CARD BLOC K DIAGRAM[...]

7-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 7 A LIGNMENT AND TEST PROCEDUR ES 7.1 OCXO AND TEST EQUIPMENT FREQUEN- CY ST ABILITY The rece iver and t ransmitt er freque ncies ar e locked t o the 1 .2500 00 MHz ref erence frequ ency f rom the lo cal os cill at or dr a wer . This fr equen cy is stab le to within ± 0.1 PPM from -30 ° C to +60 ° [...]

ALIGNMENT AND TEST PROCEDURES 7-2 March 1 999 Part No. 0 01-2009-60 0 5. Th e Synthesi zer is pr ogrammed for 199 channel s below the Receiv e Channel. 6. Th e voltage on U209 , pin 6 (TP2) should be > 2V DC. 7. Re cord the vo ltage on J201, pin 13 (TP5) ____. 8. I f the vol tages rec orded in S teps 3 and 6 a re not within ± 0.2 V , tune L224 [...]

ALIGNMENT AND TE ST PROCEDURES 7-3 Marc h 1999 Part No. 0 01-2009-60 0 Figure 7-1 RECEIVER ALIGNMENT POINTS L220 L201 L202 L203 L204 L205 L206 L223 L224 TP5 L207 L229 L209 L21 1 L231 L225 Z213 R284 R261 R264 U206 TP3 TP4 J201 1 2 19 20 TP6 U207 Y201 TP1 U208 U210 U208 1 4 5 8 1 4 5 8 A006 TP2 7.3.2 VOL T AGE MEASUREMENTS Apply power to the Exci ter[...]

ALIGNMENT AND TEST PROCEDURES 7-4 March 1 999 Part No. 0 01-2009-60 0 7.3.4 TCXO FREQUENCY AD JUST 1. T une TCXO Y401 fo r 3.5V DC ± 0.05V DC at U402, pin 1 ( response ti me is very slo w). 7.3.5 VCO TEST 1. Th e Synthesi zer is pr ogrammed for 199 channel s above the transmit frequenc y . 2. Us e the "T urn on car rier" but ton to key t[...]

ALIGNMENT AND TE ST PROCEDURES 7-5 Marc h 1999 Part No. 0 01-2009-60 0 1 1. Us e the "T urn on car rier" button to unkey the Exciter . 12. Repeat S teps 1-7. V ery littl e adjustment o f R446 should be needed. 7.4 75W POWER AMPLIFIER ALIGNME NT 7.4.1 INTRODUCTION Refer to Fi gures 7-3 a nd 7-5 for compon ent loca- tions. Re fer to Figur e[...]

ALIGNMENT AND TEST PROCEDURES 7-6 March 1 999 Part No. 0 01-2009-60 0 NOTE: I f the T ransmit c urr ent begins to in cr ease rap- idly and is not const ant with time, then unkey the P A immediate ly and tr oubles hoot. 3. Adj ust power l imit cont rol R76 cl ockwise until power is limited to 0.55 dB above 85W (95W). If the maximum P A power is <[...]

ALIGNMENT AND TE ST PROCEDURES 7-7 Marc h 1999 Part No. 0 01-2009-60 0 7.5 160W POWER AMPLIFIER ALIGNMENT Refer to Fi gures 7-4 a nd 7-5 for compon ent loca- tions. Re fer to Fi gure 7-8 f or equipmen t needed an d setup di agram. NOTE: No alignme nt is require d unless the dr iver transisto r Q502 or driver matching cap s have been replace d or cr[...]

ALIGNMENT AND TEST PROCEDURES 7-8 March 1 999 Part No. 0 01-2009-60 0 Figure 7-4 160W POWER AMP LIFIER ALIGNMENT POINTS Figure 7-5 RF INTERF ACE BOARD ALIG NMENT POINTS A8 R680 R663 R701 R702 Q702 Q701 R703 R730 Q502 Q704 Q703 R716 R717 U501 WO51 0 J101 J104 U108 R170 R171 U104 R150 R106 R76 J103 J102 WO122 WO123 WO124 WO125 WO1 15 WO126 WO121 WO12[...]

ALIGNMEN T AND TEST PROCEDU RES 7-9 Marc h 1999 Part No. 0 01-2009-60 0 Figure 7-6 POWER EXTENDER CAB LES Figur e 7-7 REPEA TER TO CIM TEST SETUP RED WHITE BLACK WHITE BLACK GREEN WHITE BLACK GREEN RED WHITE BLACK (INCLUDED IN 2000 SERIES SERVICE KIT 250-2 000-230) SWITC H (R NT) C I M TXS- RXA+ RXA- M A C REPEA TER LINK LINES AC VOL TMETER RECEIVE[...]

ALIGNMENT AND TEST PROCEDURES 7-10 March 1 999 Part No. 0 01-2009-60 0 Figure 7-8 160W P A TEST SETUP DUM MY L OAD 50 OHM POWER METE R 40 dB THRULINE A TTENUA TOR COMMUNICA TIONS SERVICE MONIT OR RF INPUT R236 J104 J101 J102 J100 J103 J502 J501 J500 S1 J1 CR3 CR4 CR5 CR2 CR1 DS1 GRN YEL YEL RED RED PROG JACK RESET GND A D LEVE L ON/OFF/VOL LOCAL MI[...]

ALIGNMEN T AND TEST PROCEDU RES 7-11 Marc h 1999 Part No. 0 01-2009-60 0 Figure 7-9 RECEIVER TEST SETUP J401 J201 J402 RFIB COMMUN ICA TIO NS SER VICE MONIT OR 20 dB TM OCXO 2 DELTA F OUTPUT AC DC OCXO1 OCXO 2 INTERRUPT OCXO 1 INTERRUPT INTERRUPT DC BACKUP HP 334A OSCILLOSCOP E AC VOL TME TER VOL TME TER DC FREQUENCY COUNTER AUD I O DIST ORT ION AN[...]

ALIGNMENT AND TEST PROCEDURES 7-12 March 1 999 Part No. 0 01-2009-60 0 Figure 7-10 EXCITER TEST SETUP J401 J201 J402 RFIB OSCILLOSCOPE DC VOL TMETER VOL TMETER AC HP 8901A MODULA TION ANAL YZER 10 dB FREQUENCY COUNTER 10 dB POWER CABLES 36-PIN RIBB ON CABLE DUM MY L OAD 50 OHM POWER METER HP 436A 1 . 25 MHz[...]

ALIGNMEN T AND TEST PROCEDU RES 7-13 Marc h 1999 Part No. 0 01-2009-60 0 Figure 7-1 1 75W POWER A MPLIFIER TEST SETUP A TTENUA TOR THRULINE 40 dB HP 436A POWER METER 50 OHM DUMMY LOAD B BB B CE B BB B CE B BB B CE R236 J104 J101 J102 J100 J103 J502 J501 J500 S1 J1 CR3 CR4 CR5 CR2 CR1 DS 1 GRN YEL YEL RED RED PROG JACK RESET GND A D LEVEL ON/OFF/VOL[...]

ALIGNMENT AND TEST PROCEDURES 7-14 March 1 999 Part No. 0 01-2009-60 0 7.6 FULL REPEA TE R ALIGNMENT 7.6.1 PERFORMANCE TEST PROGRAM 1. Se le ct the TEST - FULL REPE A TER - ALL TEST and pres s Enter . 7.6.2 REPEA TER S ETUP The V iking VX repeater h as been pre tested at the factor y , ther efore only perf ormance te sts are r equired to check the [...]

ALIGNMENT AND TE ST PROCEDURES 7-15 Marc h 1999 Part No. 0 01-2009-60 0 3. Adj ust R237 for 0 dBm (775 mV RMS) . 4. Con nect a 16 oh m load an d distortio n analyzer to J101 or J104 o f the MAC. 5. Adj ust R236 for 2.8V RMS and measur e the dist or- tion. Dist ortion shou ld be < 3%. Receiver Hum and Noise Mea surement NOTE: Recei ver cover mu s[...]

ALIGNMENT AND TEST PROCEDURES 7-16 March 1 999 Part No. 0 01-2009-60 0 2. Adj acent Chan nel Rejectio n 3. Offset Ch anne l Select ivity 4. I ntermodula tion Rejecti on 5. Sp urious Rej ection 6. Aud io Response 7. Aud io Sensit ivity Perform t he T e st desired using the appropriat e RF Generato rs, modulat ion frequ encies and levels, R2 36 level[...]

ALIGNMENT AND TE ST PROCEDURES 7-17 Marc h 1999 Part No. 0 01-2009-60 0 Data Le vel A d justme nt 1. Re move VNC cards if pr esent. ( Set modulation analyze r LPF switch to 3 kHz.) Final adjustmen t must be pe rformed on t he customer channel. 2. Us e the "T urn o n carrier" button to key the trans mit- ter . 3. Adj ust U151 wit h the Lev[...]

ALIGNMENT AND TEST PROCEDURES 7-18 March 1 999 Part No. 0 01-2009-60 0 7.6.7 TRANSMITTER COMPR ESSOR MEA- SUREMENT NOTE: This test is vali d only with co mpandor opti on instal led. 1. Se t the modul ation anal yzer LPF to 3 kHz. 2. App ly +7 dBm (1. 73V RMS) at 1 kHz to P100, pi n 32 on the MAC. 3. Us e the "T urn o n carrier" button to [...]

ALIGNMENT AND TE ST PROCEDURES 7-19 Marc h 1999 Part No. 0 01-2009-60 0 2. I nject a 1.2 kHz tone from a balanced 600 ohm source, a t the le vel determ ined by the type of l ine used, into TXS+ and TXS- of J 2 located on the ba ck of the Re peater ( see Figure 7-14). Leased Li ne/Direct Connect ( default) -12 dBm (1 94 mV RMS) Microwave/ T1 (option[...]

ALIGNMENT AND TEST PROCEDURES 7-20 March 1 999 Part No. 0 01-2009-60 0 FSK Data Leve l Adjustment Fr om Repeater Sepa ra te Da ta Pat h ( 4-Wire) Opti on al Se tting . 1. Se t MAC S100 Sections 1, 4, 5, 8 OFF; 2, 3, 6, 7 ON; S101 Sect ions 2, 3, 4 OFF; 1 ON (see Fi gure 7-15). 2. Adjus t R240 on the MAC to ob tain -16 dBm (123 mV RMS) measured at J[...]

ALIGNMENT AND TE ST PROCEDURES 7-21 Marc h 1999 Part No. 0 01-2009-60 0 2. V eri fy that t he repeat er is program med for " Sta nd Alone" mode in Setup Para meters-F4 ( see Section 4.3.3). 3. Th e repeater i s now in Normal Ope ration mode . V erify by t he MPC front pa nel indicat ors that no HSDB alarms ha ve occurr ed (Alarm Number 10[...]

ALIGNMENT AND TEST PROCEDURES 7-22 March 1 999 Part No. 0 01-2009-60 0 Figure 7-20 J2 CONNECTOR Figure 7-21 VIKING VX VOICE/DA T A LINK Figure 7-22 S100/S101 SWITCH SETTING 7.7.3 VOICE AUDIO TO SWITCH 1. On the MAC , set S100 and S101, all Secti ons OFF (see Fig ure 7-22) . 2. Conn ect a n RF g e nera t or to th e re ce iver . 3. Adjus t the RF gen[...]

ALIGNMENT AND TE ST PROCEDURES 7-23 Marc h 1999 Part No. 0 01-2009-60 0 3. On the CIM , conne ct a balance d AC voltmeter at J12. 4. On the CIM , adju st R44 for the type of line use d. Leased Li ne/Direct Connect ( default) -12 dBm (1 94 mV RMS) Microwave/ T1 (optional ) -28 dBm (3 1 mV RMS) 5. On the MAC , adjust R243 fo r -6 dBm (387 mV RMS) mea[...]

ALIGNMENT AND TEST PROCEDURES 7-24 March 1 999 Part No. 0 01-2009-60 0 7.7.6 FSK LINK - FSK DA T A LEVEL TO SWITCH 1. On the MAC, set S100 a ll Sections OFF set S101, sections 2, 3, 4 OFF set S101, section 1 ON (see Figur e 7-23). 2. Con nect a balance d AC voltmeter with 60 0 ohm input i mpedance bet ween balan ced lines RXA+ and RXA- of J2 l ocat[...]

ALIGNMEN T AND TEST PROCEDU RES 7-25 Marc h 1999 Part No. 0 01-2009-60 0 Figure 7-25 BA TTER Y CHARGER TEST SETUP LM335 Vs2 0-40V @ 3A POWER SUPPL Y B+ B- 023-2000-830 BASIC BOARD MODULE TEMP F AN CONTROL ENABLE ON OFF ACTIVE LOAD (+) (-) V CHGR 1k[...]

ALIGNMENT AND TEST PROCEDURES 7-26 March 1 999 Part No. 0 01-2009-60 0 Figure 7-26 SWITCH (RNT) BACKPLANE WIREHARNESS 1 WIRE COLORS ARE S OLID/STRIPE 1 WHT/SL T SL T/WHT WHT/ GRN GRN/WHT WHT/ BLU BLU/WHT RED /BLU BLU/RED WHT/ BRN BRN/WHT WHT/ ORN ORN/WHT UNIT 1 J1 J2 BLK/BLU BLU/BLK RED/BRN BRN/RED RED/ORN ORN/RED BLK/ORN ORN/BLK RED/SLT SL T/RED R[...]

ALIGNMEN T AND TEST PROCEDU RES 7-27 Marc h 1999 Part No. 0 01-2009-60 0 Figure 7- 27 SWITCH (RNT) PUNCH BLOCK NOT USED PIN NUMBERS WHT/ BLU BLU/WHT WHT/ ORN ORN/WHT GRN/WHT WHT/ GRN WHT/ BRN BRN/WHT WHT/ SL T SL T /WHT BLU/RED RED/BLU RED/ORN ORN/RED RED/GRN GRN/RED RED/BRN BRN/RED RED/SLT SL T /RED BLK/BL U BLU/BL K BLK/ORN ORN/BLK BLK/GRN GRN/BL[...]

ALIGNMENT AND TEST PROCEDURES 7-28 March 1 999 Part No. 0 01-2009-60 0 Figure 7-28 MAC ALIGNMENT POINTS J103 J100 R236 J104 RX DA TA LEVEL RX AUDIO ADJUST MAIN AUDIO LEVEL RX VO ICE TO R NT RX VOICE 31 RX WB A UDIO 27 VOTER AUDIO 25 13 MAIN AU DIO TO RNT 17 1 P100 LEVEL AUDIO VOTER TX VO ICE 3 2 LEVEL TX VOICE LEVEL TX MOD LEVEL TX DA T A 15 T X AU[...]

ALIGNMEN T AND TEST PROCEDU RES 7-29 Marc h 1999 Part No. 0 01-2009-60 0 Figure 7-29 MAIN PROCESSOR CARD ALIGNMENT POINTS P1 1 33 64 32 1 234 1 234 5 6 7 8 S2 1 2 3 4 5 6 11 0 5 6 J4 DS1 CR1 CR2 CR4 J1 1 7A 2 6 8B S1 J2 1 2 3 1 2 14 13 J3 GRN YEL YEL RED RED COMPUTER I/O PROGRAMMING CONNECTOR RESET ON ON S3 1 2 3 J5 1 2 3 J6 CR5 CR3 76800 38400 192[...]

ALIGNMENT AND TEST PROCEDURES 7-30 March 1 999 Part No. 0 01-2009-60 0 Figure 7-30 INTERF ACE ALARM CARD ALIGNMENT POINTS +15V (GRN) +15V ACC (GRN) -5V (GR N ) +5V (GRN) CWID (GRN) HANG (YEL) SWITCH (YEL) MOBILE (GRN) XMIT(RED ) CR525 CR523 CR524 S508 J502 J501 CR500 CR504 CR505 CR502 CR503 CR501 S503 S501 1 4 5 8 1 8 P500 P501 1 17 32 16 32 64 1 3[...]

8-1 Marc h 1999 Part No. 0 01-2009-60 0 SEC TION 8 SERVIC ING 8.1 INTRODUCTION 8.1.1 PERIODIC CHECKS This rep eater sho uld be put on a regular ma inte- nance sc hedule and a n accurate perf ormance re cord maintai ned. Impor tant che cks are rece iver sens itivit y and tra nsmitter frequency , modulat ion, and power out- put. It is recommended t h[...]

SERVICING 8-2 March 1 999 Part No. 0 01-2009-60 0 8.2.2 TCXO MODULE Check the signal at TCXO, pi n 5. It sho uld be 17.5 MHz for Y2 01 and Y401 at a level of ap proxi- mately 3V P-P . If the TCXO is defec tive, it is not ser- viceabl e and must be re placed with a new unit as descri bed in Sect ion 8.1.5. Measure t he signal at pin 20 ( Ref In) of [...]

SERVIC ING 8-3 Marc h 1999 Part No. 0 01-2009-60 0 Measure t he prescal er input fr equency at f in , pin 1 1. Then measure the output frequency at TEST 2, pin 13 and calcul at e the divi de numbe r . If the VCO is not lock ed on frequency , the divi de number sho uld still b e co rrect. The measur ed fr eque ncies may n ot be exactl y as calcu lat[...]

SERVICING 8-4 March 1 999 Part No. 0 01-2009-60 0 nent la yout are pr ovided fo r those cu stomers th at desire t o do their own repair s (see Secti ons 9 and 10 ). Figure 8-3 POWER SUPPL Y REAR VIEW Figure 8-4 POWER SUPPL Y FRONT VIEW A B C 1 2 3 4 5 6 7 8 9 10 11 12 +28V GND +15V AC F AIL THERMAL SENSE ON/OFF GND GND +5V -5V +15V B- B+ TE MP ACTI[...]

SERVIC ING 8-5 Marc h 1999 Part No. 0 01-2009-60 0 S tandby Batte ry Jack This prov ides a con nection po int for a +24V DC standby battery . Current is drawn from the battery only wh en the rep eater ena ble line is on and AC has failed, or no AC is connect ed. A trick le char ger can be jumpered i n to char ge the batt ery when AC returns. The ch[...]

SERVICING 8-6 March 1 999 Part No. 0 01-2009-60 0 Some re sistors wit h a ± 1% tole ranc e are id e nti- fied by a 4-digit numbe r and others m ay not ha ve a marking. Whe n identifie d with a 4-dig it number , the first th ree digits ar e the value an d t he f ourth is the mul - tipl ier . Example: 5761 5.76k oh m Figure 8-5 3-DIGIT RESIST OR 8.6[...]

SERVIC ING 8-7 Marc h 1999 Part No. 0 01-2009-60 0 8.7 BER YLLIUM PRODUCT W ARNING Q501, Q502, Q503, R504, R505 in the 75 W power ampli fier and R685 R701, R702, R703, R71 6, R717, R730, Q502, Q701, Q702, Q703, Q704 in the 160W Power A m plif ier co ntain Beryll ium (Be O ). Inhalat ion of du st or fume s may cause serious c hronic lung dis ease. R[...]

SERVICING 8-8 March 1 999 Part No. 0 01-2009-60 0[...]

9-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 9 P ARTS LIST SYMBOL P A R T NUMBER DESCRIP TION NUMBER 900 MHz L TR-Net 75W REPEA TE R P AR T NO. 242-2009- 632 A 003 900 MHz 75W repeate r assem 023-2009-932 A 006 Tx/Rx module ass embly 023-2009-832 A 010 2000 series power supply 023-2000-800 HW001 6-32 machine panhe ad philips 575-1606-0 12 MP001 [...]

PART S LIST 9-2 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER Q 501* 30W 900 MHz 24V MRF89 4 576-0004-821 Q 502* 60W 800 MHz 24V MRF89 8 576-0004-820 Q 503* 60W 800 MHz 24V MRF89 8 576-0004-820 R 508* 100 ohm 20W fla nge mount 569-5001-001 R 509* 100 ohm 100W flange mount 569-5001-0 02 R 685* 50 ohm 250W fla nge moun[...]

PARTS LI ST 9-3 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER EP001 Ferrit e bead 517-2002-0 08 EP002 Ferrit e bead 517-2002-0 09 EP010 3/8" he at shrink tu bing 042-0241-5 56 EP01 1 1/2" tubing 042-0241-5 57 HW013 6-32 machine panh ead phili ps 575-160 6-014 HW014 6-32 panhead phi lips ZPS 575-1606-012 HW0[...]

PART S LIST 9-4 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER P 013 32-pin DIN female straight 515-7082-200 P 014 64-pin DIN female straight 515-7082-201 P 015 32-pin DIN female straight 515-7082-200 P 016 64-pin DIN female straight 515-7082-201 P 017 32-pin DIN female straight 515-7082-200 P 018 64-pin DIN female st[...]

PARTS LI ST 9-5 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER HW105 Polarizin g key box cnt 515-710 9-010 HW106 Polarizin g key box cnt 515-710 9-010 HW240 #6 plit lock washer ZPS 596- 1306-008 HW247 6-32 machi ne pan head phil ips 575-1606-012 J 101 36-pin r ight angle r a dial 5 15-051 1-001 J 102 20-pin str aight [...]

PART S LIST 9-6 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER R 123 20k oh m ± 1% 1206 SMD 569-01 11-4 30 R 124 10k oh m ± 1% 1206 SMD 569-01 11-4 01 R 125 20k oh m ± 1% 1206 SMD 569-01 11-4 30 R 126 10k oh m ± 1% 1206 SMD 569-01 11-4 01 R 127 20k oh m ± 1% 1206 SMD 569-01 11-4 30 R 128 10k oh m ± 1% 1206 SMD 5[...]

PARTS LI ST 9-7 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER RECEIVE VCO P AR T NO. 023-2009- 800 C 803 1 pF ± 0.1 pF 150V chip 510-335 6-109 C 804 2.7 pF ± 0.1 pF 150V chip 510-3656-2 79 C 805 .47 µ F 16V tantalum SMD 510-2625-478 C 806 4.7 µ F 10V tantalum SMD 510-2624-479 C 807 27 pF ± 5% NPO 0805 chip 510-3[...]

PART S LIST 9-8 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER C 256 .1 µ F ± 10% X7R 1210 510-3607-1 04 C 257 .1 µ F ± 10% X7R 1210 510-3607-1 04 C 258 27 pF ± 5% NPO 1206 chip 510-3602-270 C 259 27 pF ± 5% NPO 1206 chip 510-3602-270 C 260 27 pF ± 5% NPO 1206 chip 510-3602-270 C 261 3 .3 pF ± 5% NPO 1206 chip[...]

PARTS LI ST 9-9 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER CH202 2-cavit y helica l front e nd 015-0901-028 CH203 1-cavit y helica l front e nd 015-0901-010 CR201 Hot carrier di ode SOT -23 523-1504-016 CR204 Si 9.1V zener SOT -23 523-201 6-919 CR205 5.6V zener SOT -23 623-2016-569 CR206 5.6V zener SOT -23 623-201[...]

PART S LIST 9-10 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER R 220 100 oh m ± 5% 1206 SMD 569- 01 15-101 R 221 180 oh m ± 5% 1206 SMD 569- 01 15-181 R 222 3.3k ohm ± 5% 1206 SMD 569-01 15-332 R 223 2.7k ohm ± 5% 1206 SMD 569-01 15-272 R 224 100 oh m ± 5% 1206 SMD 569- 01 15-101 R 225 100 oh m ± 5% 1206 SMD 56[...]

PARTS LI ST 9-11 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER TP001 Red tip j ack, vert. 0.08 105-2002-21 1 TP003 Red tip j ack, vert. 0.08 105-2002-21 1 TP004 Red tip j ack, vert. 0.08 105-2002-21 1 TP005 Red tip j ack, vert. 0.08 105-2002-21 1 TP006 Red tip j ack, vert. 0.08 105-2002-21 1 U 201 Mixe r LRMS-2H 544-[...]

PART S LIST 9-12 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER C 429 27 pF ± 5% NPO 1206 chip 510-3602-270 C 430 27 pF ± 5% NPO 1206 chip 510-3602-270 C 431 27 pF ± 5% NPO 1206 chip 510-3602-270 C 432 27 pF ± 5% NPO 1206 chip 510-3602-270 C 433 2 pF ± 5% NPO 1206 chip 510-3602-2 09 C 434 27 pF ± 5% NPO 1206 chi[...]

PARTS LI ST 9-13 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER R 410 100 ohm ± 5% SMD 1206 569-01 15-101 R 41 1 1k ohm ± 5% SMD 1206 569-01 15-102 R 412 8.2k ohm ± 5% SMD 1206 569-01 15-822 R 416 270 ohm ± 5% SMD 1206 569-01 15-271 R 417 10k ohm ± 5% SMD 1206 569-01 15-103 R 418 10 ohm ± 5% SMD 1206 569- 01 15-[...]

PART S LIST 9-14 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER C 510 1 µ F 35V tantalum SMD 510-262 8-109 C 51 1 56 pF high Q . 1 10 cube 510-3663-560 C 512 .1 µ F 35V tantalum SMD 510-2628-108 C 513 1 µ F 35V tantalum SMD 510-262 8-109 C 514 .018 µ F ± 10% X7R 0805 chip 510-3605-183 C 515 56 pF high Q .1 10 cub[...]

PARTS LI ST 9-15 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER Q 501* 30W 24V 900 MHz MRF- 894 576-0004-821 Q 502* 60W 24V 800 MHz MRF- 898 576-0004-820 Q 503* 60W 24V 800 MHz MRF- 898 576-0004-820 R 501 820 ohm ± 5% 1206 SMD 569-01 15-821 R 502 12 ohm ± 5% 1206 SMD 569- 01 15-120 R 503 820 ohm ± 5% 1206 SMD 569-0[...]

PART S LIST 9-16 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER C 555 4 .7 µ F 16V tantalum SMD 510-2625-479 C 556 4 .7 µ F 16V tantalum SMD 510-2625-479 C 557 .018 µ F ± 10% X7R chip 510-3605-1 83 C 558 .001 µ F ± 5% NPO 1206 chip 510-3602-102 C 559 .018 µ F ± 10% X7R chip 510-3605-1 83 C 560 1 µ F 16V tanta[...]

PARTS LI ST 9-17 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER EP701 Ferrit e bead SMD 1233 517-2503-010 EP702 Ferrit e bead SMD 1233 517-2503-010 EP703 Ferrit e bead SMD 1233 517-2503-010 EP704 Ferrit e bead SMD 1233 517-2503-010 EP705 Ferrit e bead SMD 1233 517-2503-010 EP706 Ferrit e bead SMD 1233 517-2503-010 EP7[...]

PART S LIST 9-18 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER C 662 4 .7 µ F 10V tantalum SMD 510-2624-479 C 663 .001 µ F ± 5% NPO 1206 chip 510-3602-102 C 664 27 pF ± 5% NPO 0805 chip 510-3601-270 C 665 27 pF ± 5% NPO 0805 chip 510-3601-270 C 667 27 pF ± 5% NPO 0805 chip 510-3601-270 C 668 27 pF ± 5% NPO 080[...]

PARTS LI ST 9-19 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER MP254 M P A plate a lign dowel pi n 013-1723-2 16 MP255 P A hea t sink 014-0771-1 24 MP256 P A shiel d, left 017-2210-026 MP257 P A shiel d, top 017-2210-0 22 MP258 Low power P A shield, 1 fan 017-2210-025 MP261 1/4 hex br ass M/F spac er 312-7483-0 24 MP[...]

PART S LIST 9-20 March 1 999 Part No. 0 01-2009-60 0 S Y M B O L PA R T NUMBER DESCRIP TION NUMBER 800W POWER SUPPL Y MAIN BOARD P AR T NO. 023-2000- 810 A 002 Pin f eed EPROM blank l abel 559-1 154-004 A 802 W ireharnes s 023-200 0-803 A 803 The rmal senso r board assem 023-2000-8 40 C 101 220 µ F 25V aluminum rad ial 510-4225-221 C 102 .01 µ F [...]

PARTS LI ST 9-21 Marc h 1999 Part No. 0 01-2009-60 0 S Y M B O L PA R T NUMBER DESCRIP TION NUMBER C 198 1 µ F 35V tantalum SMD 510-2628-109 C 199 6.8 µ F 35V tantalum SMD 510-2635-689 C 200 6.8 µ F 35V tantalum SMD 510-2635-689 C 201 .01 µ F ±5% X7R 1206 510-3609-103 C 202 470 pF ±5% NPO 1206 510-360 2-471 C 203 470 pF ±5% NPO 1206 510-360 [...]

PART S LIST 9-22 March 1 999 Part No. 0 01-2009-60 0 S Y M B O L PA R T NUMBER DESCRIP TION NUMBER F 102 10A 250V fast blow AGC fuse 534-0003-036 FH102 Fuse c lip 534-1007-0 01 HW100 Cam5 x 3.795 si l-pad 018-100 7-051 HW101 0.89 x 1 .37 sil-pad 018-1007-0 52 HW102 1.06 x 4 .73 sil-pad 018-1007-0 53 HW104 0.83 x 5 T efl on spacer 018-1007-056 HW105[...]

PARTS LI ST 9-23 Marc h 1999 Part No. 0 01-2009-60 0 S Y M B O L PA R T NUMBER DESCRIP TION NUMBER R 126 10 ohm ±5% 1206 SMD 562-01 15-100 R 127 1.27k ohm ±1% 1206 SMD 569-01 11-31 1 R 128 51 ohm ±5% 2512 SMD 569-0175-510 R 129 36k ohm ±5% 1206 SMD 5 69-01 15-363 R 130 100k ohm ±5% 12 06 SMD 569-01 15-104 R 131 36k ohm ±5% 1206 SMD 5 69-01 15[...]

PART S LIST 9-24 March 1 999 Part No. 0 01-2009-60 0 S Y M B O L PA R T NUMBER DESCRIP TION NUMBER R 223 13k ohm ±5% 1206 SMD 569-01 15-133 R 224 Zero ohm ±5% 1206 SMD 569-01 15-001 R 225 68 ohm ±5% 1206 SMD 569-01 15-680 R 226 24 ohm ±5% 1206 SMD 569-01 15-240 R 227 180 ohm ±5% 1206 SMD 5 69-01 15-181 R 228 2k ohm ±1% 1206 SMD 569-01 1 1-330[...]

PARTS LI ST 9-25 Marc h 1999 Part No. 0 01-2009-60 0 S Y M B O L PA R T NUMBER DESCRIP TION NUMBER U 1 12 PWM current mode ML4823 544-2002-0 34 U 1 13 PWM current mode ML4823 544-2002-0 34 U 1 14 5V 3A regula tor power s upply 544-2003-0 98 U 1 15 Programmable TL431AID 544-2003-097 U 1 16 Programmable TL431AID 544-2003-097 U 1 17 Programmable TL431[...]

PART S LIST 9-26 March 1 999 Part No. 0 01-2009-60 0 S Y M B O L PA R T NUMBER DESCRIP TION NUMBER CR1 15 Switc hing diode SOT -23 523-1504-002 CR1 16 3A ult ra-fast diode 523- 1507-004 CR1 17 13V 1W z ener SMT 523- 2026-130 CR1 18 18V ±5% zene r SMT 523-202 6-180 EP100 Heat sink in sulator TO- 220 574- 5005-060 EP101 Copper terminal lug 586-0007-[...]

PARTS LI ST 9-27 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER R 159 180k ohm ±5% 12 06 SMD 569-01 15-184 R 160 10k ohm ±5% 1206 SMD 5 69-01 15-103 R 165 2k ohm ±5% 2512 SMD 569-0175-202 S 101 T oggle switch o n/on rt angle 583-000 6-014 U 101 Quad comparator 2901 544-2025-01 1 U 102 Programmable voltage reg 544-2[...]

PART S LIST 9-28 March 1 999 Part No. 0 01-2009-60 0 S Y M B O L P A R T NUMBER DESCRIP TION NUMBER CR904 Dual switch diod e SOT -23 523-1504-023 CR905 Dual switch diod e SOT -23 523-1504-023 CR906 Switching diode SOT -23 523-1504-002 CR907 200V 1.5A rectifier 1N4818 523-0013-201 CR908 200V 1A rectifie r 1N4003 523-0501-002 DS901 Red/Gr een LED rig[...]

PARTS LI ST 9-29 Marc h 1999 Part No. 0 01-2009-60 0 S Y M B O L P A R T NUMBER DESCRIP TION NUMBER Q 905 Si NPN SOT -23 576-0003-6 58 Q 906 Si NPN SOT -23 576-0003-6 58 Q 907 Si NPN SOT -23 576-0003-6 58 Q 908 Si NPN SOT -23 576-0003-6 58 Q 909 Si NPN SOT -23 576-0003-6 58 Q 910 Si NPN SOT -23 576-0003-6 58 Q 91 1 Si NPN SOT -23 576-000 3-658 Q 91[...]

PART S LIST 9-30 March 1 999 Part No. 0 01-2009-60 0 S Y M B O L P A R T NUMBER DESCRIP TION NUMBER R 974 39k oh m ± 5% 1206 SMD 569- 01 15-393 R 975 51 ohm ± 5% 1206 SMD 569-01 15-510 R 976 15k oh m ± 5% 1206 SMD 569- 01 15-153 R 977 15k oh m ± 5% 1206 SMD 569- 01 15-153 S 901 T oggle switch o n-none-mom 583-0006-010 S 902 T oggle switch o n-n[...]

PARTS LI ST 9-31 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER MAIN PROCESSOR CARD P AR T NO. 023-2000- 310 C 001 10 pF ± 5% NPO 1206 chip 510-3602-100 C 002 20 pF ± 5% NPO 1206 chip 510-3602-200 C 004 .01 µ F ± 10% X7R chip 510-3606-103 C 005 .01 µ F ± 10% X7R chip 510-3606-103 C 006 .01 µ F ± 10% X7R chip 5[...]

PART S LIST 9-32 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER R 026 10k oh m ± 5% 1206 SMD 569- 01 15-103 R 027 10k oh m ± 5% 1206 SMD 569- 01 15-103 R 028 4.7k ohm ± 5% 1206 SMD 569-01 15-472 R 029 10k oh m ± 5% 1206 SMD 569- 01 15-103 R 030 10k oh m ± 5% 1206 SMD 569- 01 15-103 R 031 10k oh m ± 5% 1206 SMD 5[...]

PARTS LI ST 9-33 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER C 127 680 pF ± 2% NPO 1206 510-3616-681 C 128 .0033 µ F ± 2% NPO 1206 510-3616-332 C 129 470 pF ± 2% NPO 1206 510-3616-471 C 130 470 pF ± 2% NPO 1206 510-3616-471 C 131 .0047 µ F ± 5% X7R 1206 510-3609-472 C 132 .0056 µ F ± 2% NPO 1206 510-3617-5[...]

PART S LIST 9-34 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER C 224 .01 µ F ± 10% X7R chip 510-3606-103 C 225 .01 µ F ± 10% X7R chip 510-3606-103 C 226 .01 µ F ± 10% X7R chip 510-3606-103 C 227 .01 µ F ± 10% X7R chip 510-3606-103 C 228 .01 µ F ± 10% X7R chip 510-3606-103 C 229 .01 µ F ± 10% X7R chip 510-[...]

PARTS LI ST 9-35 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER HW102 Rivet sna p 0.142 dia 574-9015-050 J 100 Green hor izontal t ip jack . 080 105-220 4-105 J 101 Speaker jac k 0.1 enclosed 515-2002-01 1 J 102 3.6mm jack enclo sed 515-2001-01 1 J 103 Black horiz tip jack .080 105-2203-1 01 J 104 3.6mm jack enclo sed[...]

PART S LIST 9-36 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER R 175 4.3k ohm ± 5% 1206 SMD 569-01 15-432 R 176 6.8k ohm ± 5% 1206 SMD 569-01 15-682 R 177 100k ohm ± 5% 1206 SMD 569-01 15-104 R 178 100k ohm ± 5% 1206 SMD 569-01 15-104 R 179 300 oh m ± 5% 1206 SMD 569- 01 15-301 R 180 300 oh m ± 5% 1206 SMD 569-[...]

PARTS LI ST 9-37 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER R 276 18k ohm ± 5% 1206 SMD 569-01 15-183 R 277 5.1k ohm ± 5% 1206 SMD 569-01 15-512 R 279 150k ohm ± 5% 1206 SMD 569-01 15-154 R 280 150k ohm ± 5% 1206 SMD 569-01 15-154 R 281 1M ohm ± 5% 1206 SMD 569-01 15-105 R 282 10k ohm ± 5% 1206 SMD 569-01 15[...]

PART S LIST 9-38 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER U 157 D flip flop SOIC 74HC574 544-3766-574 U 158 Quad analog sw SOIC DG202 544-3003-001 U 159 Quad analog sw SOIC DG202 544-3003-001 U 160 9 bit x 64 word FIFO DIP-2 8 544-3764-703 U 161 9 bit x 64 word FIFO DIP-2 8 544-3764-703 U 162 Dr/Rcvr RS232C V .2[...]

PARTS LI ST 9-39 Marc h 1999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER J 504 3-pin singl e inline hea der 515-7100-003 J 505 4-pin singl e inline hea der 515-7100-004 K 500 12V SPDT 1A relay submin 567-200 2-021 K 501 12V SPDT 1A relay submin 567-200 2-021 K 502 12V SPDT 1A relay submin 567-200 2-021 K 503 12V SPDT 1A relay [...]

PART S LIST 9-40 March 1 999 Part No. 0 01-2009-60 0 SYMBOL P A R T NUMBER DESCRIP TION NUMBER S 500 4-pos re cessed DIP s witch 583-5002-1 04 S 501 4-pos re cessed DIP s witch 583-5002-1 04 S 502 4-pos re cessed DIP s witch 583-5002-1 04 S 503 4-pos re cessed DIP s witch 583-5002-1 04 S 508 T oggle switch o n/on rt angle 583-000 6-014 U 500 1 of 1[...]

10-1 Marc h 1999 Part No. 0 01-2009-60 0 SECTION 10 SCH EMA TICS AND COMPONENT LA YOUTS TRANSIST ORS TRANSISTORS Part Numb er Basing Diag ram Identification 576-0001- 300 576-0002- 603 576-0003- 600 576-0003- 602 576-0003- 604 576-0003- 612 576-0003- 636 576-0003- 657 576-0003- 658 576-0004- 098 576-0004- 820 576-0004- 821 576-0006- 109 1 2 1 1 3 1[...]

SCHEMATICS AND COMPONENT LAYOUTS 10-2 March 1 999 Part No. 0 01-2009-60 0 Figure 10-1 RF MODULE INTERF AC E CONNECTOR Figure 10- 2 BACKPLANE CABLE CONNECTIONS[...]

OCXO DRA WER FRONT/REAR P ANEL FIGURE 10-3 REPEA TER REAR VIEW FIGURE 10-4 REPEA TER FRONT VIEW FIGURE 10-5 OCXO DRA W ER FIGURE 10-6 REPEA T ER CABINET EXPLODED VIEW FIGURE 10-7 GND RX TX MPC MAC IAC PA EXCITER/RECEIVER RFIC 10-3 Marc h 1999 Part No. 001- 2009-600[...]

J2 1 RXA+ 1 2 RXA- 2 3 TXA+ 3 4 TXA- 4 5 TIP 5 6 RING 6 7 TIP 1 7 8 RING 1 8 9 EA 9 10 EB 10 11 MA 11 12 MB 12 13 RXS+ 13 14 RXS- 14 15 TXS+ 15 16 TXS- 16 17 VO TER AUDIO 17 18 EXT MODE 18 19 VO TER DA TA IN 19 20 EXT REQ 1 20 21 GROUND 21 22 GROUND 22 23 +15V ACC 23 24 +15V ACC 24 25 RSSI 25 26 AC F AIL OUT 26 27 ALARM 1 IN + 27 28 ALARM 1 IN - 28[...]

March 1999 Part No. 001- 2009-600 10-5 BACKPLANE INTERCONNECT FIGURE 10-10 VO TER AUDIO 17 TIP 5 RING 6 TIP 1 7 RING 1 8 RSSI 25 MB 12 MA 11 EB 10 EA 9 TXA- 4 TXA+ 3 RXA- 2 RXA+ 1 TXS- 16 TXS+ 15 RXS- 14 RXS+ 13 EXT MOD 18 EXT REQ 1 20 21 22 AC F AIL OUT 26 ALARM 2 OUT - 34 ALARM 2 OUT + 33 ALARM 2 IN - 30 ALARM 2 IN + 29 ALARM 1 OUT - 32 ALARM 1 O[...]

March 1999 Part No. 001 -2009-600 RF INTERF ACE BOA RD COMPONENT LA YOUT FIGURE 10-1 1 10-6 1 4 J104 WO117 GROUND 36 18 WO110 WO111 WO112 WO113 WO105 WO106 WO104 WO103 WO116 +26.5V WO143 WO102 WO101 J101 19 1 WO144 +15V WO108 WO109 WO119 WO145 GROUND F101 R51 L101 R188 R189 R190 R191 R192 R181 R182 R183 R184 R185 C112 + R187 C113 R186 R194 C115 R19[...]

March 1999 Part No. 001- 2009-600 10-7 RF INTERF ACE BOARD SCHEMA TIC FIGURE 10-12 PC STR 2 R138 22k 1 4 23 31 R136 22k R135 22k R137 22k Q101 3657 R142 10k R141 10k R139 10k R140 10k +5V CR101 U103 MC14094BD 1 2 3 15 OE CLK SER STR R119 20k R120 10k R121 20k R122 10k R123 20k R124 10k R125 20k R126 10k R127 20k R128 10k R139 20k R130 10k R131 20k [...]

March 1999 Part No. 001 -2009-600 RECEIVER COMPONENT LA YOUT FIGURE 10-13 10-8 L209 C270 Z202 Z201 C373 L213 C262 C312 C321 C212 C213 R313 R208 R211 C211 R209 C210 Q202 C214 L211 Z203 C293 EP3 L230 C264 CR201 R255 R247 C284 C285 R254 C209 C267 L207 EP2 C215 C216 C301 C375 R322 L225 Z204 C317 TP5 R253 R252 U204 Z205 Z213 U202 EP11 C323 C220 C338 C21[...]

SCHEMATICS AND COM PONENT LAYOUTS 10-9 Marc h 1999 Part No. 0 01-2009-60 0 Figure 10-14 RECEIVE VCO COMPONENT LA YOUT[...]

SCHEMATICS AND COMPONENT LAYOUTS 10-1 0 March 1 999 Part No. 0 01-2009-60 0 Figure 10- 15 RECEIVE VCO SCHEMA TIC + 1300 +12V OSCIL LA TOR +12V 10 27pF 3.6k .039uH 2 7pF 27pF 5.1k 6.2k .039uH + 15 CAP ACITIVE MUL TIPL IER MOD IN TO RESONA TOR TA P CONTROL IN C805 C806 R804 L804 CR802 C804 C803 CR801 C802 R801 C807 R802 C809 Q801 L803 C810 C81 1 R803[...]

March 1999 Part No. 001- 2009-600 10-1 1 RECEIVER SCHEM A TIC FIGURE 10-16 R201 2 . 7k C202 4 . 3pF C201 5 . 6pF L226 Q201 3636 R203 200 +12V C205 6.8pF + C203 4 . 7 C204 33pF + C336 4 . 7 C337 56pF C207 3pF L227 L202 L203 L201 L205 L206 L204 C208 33pF L228 4 RF IF GND A GND B GND C LO C209 8 . 2pF 5 2 6 1 3 U201 LRMS-2H C267 39pF L207 Z201 Z202 C3[...]

March 1999 Part No. 001 -2009-600 EXCITER COMPONENT LA YOUT FIGURE 10-17 10-12 J402 C473 C439 C437 C435 R449 WO425 WO417 WO427 WO429 WO419 WO421 WO423 R427 1 2 R425 20 19 J401 WO431 C466 C467 + C436 C438 C494 C493 C491 C489 R488 R403 R402 C469 + C468 + R482 C440 U405 R483 C470 R404 R405 R401 C492 C490 C487 C486 R487 + C476 R415 C408 R411 C406+ R424[...]

SCHEMATICS AND COM PONENT LAYOUTS 10-1 3 Marc h 1999 Part No. 0 01-2009-60 0 Figure 10-18 TRANSMIT VCO COMPONENT LA YOUT C814* *C814 IS PLACED ON T O P OF R807[...]

SCHEMATICS AND COMPONENT LAYOUTS 10-1 4 March 1 999 Part No. 0 01-2009-60 0 Figure 10-19 TRANSMIT VCO SCHEMA TIC + 1300 +12V OSCIL LA TOR +12V 10 27pF 3.6k .039uH 2 7pF 27pF 5.1k 6.2k .039uH + 15 CAP ACITIVE MUL TIPL IER MOD IN TO RESONA TOR TA P CONTROL IN C805 C806 R804 L804 CR802 C804 C803 CR801 C802 R801 C807 R802 C809 Q801 L803 C810 C81 1 R803[...]

March 1999 Part No. 001- 2009-600 10-15 EXCITER SCHEMA TIC FIGURE 10-20 2 3 4 5 6 7 8 15 14 10 LPTT 11 EX MOD 13 WO 417 WO 425 WO 419 WO 427 WO 421 WO 429 WO 423 + C476 4.7 R487 4.99k R486 12.1k V REF + U402B R425 50k 7 6 7 R427 62k R426 0 R424 10k + U402A 2904 R417 10k 3 2 1 2 MOD DC IN GNDA GNDB GNDC Y401 TCXO 1 PPM RF OUT 17.5 MHz C410 .01 CR401[...]

March 1999 Part No. 001 -2009-600 75W POWER AMPLIFIER COMPONENT LA YOUT FIGURE 10-21 10-16 WO513 C568 R509 WO508 W O510 WO516 R521 C574 R520 C573 R519 CR503 R518 C572 R516 R517 C567 C566 C565 C587 C557 C555 C554 + C559 + C563 EP515 EP516 EP517 EP511 EP512 EP513 C560 C558 C562 C561 C564 C550 WO502A R508 C556 EP514 C543 C546 C544 C545 + C549 + C548 C[...]

March 1999 Part No. 001- 2009-600 10-17 75W POWER A MPLIFIER SCHEMA TIC FIGURE 10-22 WO 505 POWER CONTROL C508 56pF EP501 C509 27pF + C510 1 EP502 + C505 1 C507 56pF C506 . 018 C504 . 018 + C503 . 1 VS1 RF IN 1 23 4 R502 12 C501 27pF WO 511 RF INPUT 50 U501 MHW806 AMPLIFIER/PRE-DRIVER VS2 RF OUT + C513 1 C511 56pF C514 . 018 EP504 + C516 1 C515 56p[...]

March 1999 Part No. 001 -2009-600 160W POWER AM PLIFIER COMPONENT LA YOUT FIGURE 10-23 10-18 WO510 C770 R730 R718 C575 R719 C755 R723 C756 R722 R720 R721 WO513A CR703 CR704 R727 R726 C759 R728 C758 R725 C760 R724 R729 WO514A C746 C733 C745 C733 C751 Q704 Q703 R717 R716 C743 C744 C732 C731 B B B B CE B B B B CE EP715 EP716 EP714 C752 C754 C749 C753 [...]

March 1999 Part No. 001- 2009-600 10-19 160W POWER AMPLIFIER SCHEMA TIC FIGURE10-24 50 OHMS R701 100 20W 4 COMBINER C762 1 . 5pF COMBINER R702 100 20W 4 C761 1 . 5pF COMBINER EP701 1/4 WA VE C771 56pF C702 6 . 2pF FINAL 1 Q701 4820 C703 6 . 2 C704 56pF EP703 C709 56pF EP705 + C711 6 . 8 C712 . 018 C710 . 001 C708 56pF C707 . 018 + C706 6 . 8 EP704 [...]

March 1999 Part No. 001 -2009-600 FORW ARD/R EVERSE POWER BOARD COMPONENT LA YOUT FIGURE 10-25 10-20 R688 R659 C669 C670 C668 R656 R660 C671 R662 R664 C622 R666 C681 C664 R667 R665 C673 R658 C654 C683 WO657A WO654 R663 U651 WO651 WO650 R651 R654 L651 R653 L652 C653 R655 C684 MP651 L653 CR651 CR652 WO657B WO655 WO656 R686 R667 R667 C656 C665 R684 R6[...]

March 1999 Part No. 001- 2009-600 10-21 FORW ARD/REVERSE POWER SCHEMA TIC FIGURE10-26 WO 654 FORW ARD POWER SENSE C664 27pF R667 470 + U651B 2904 7 C672 27pF R663 5k R665 10k C673 .001 R666 10k C681 .001 R688 10k R664 160 + U651A 2904 1 2 3 C669 27pF C670 27pF R662 10k C671 27pF R659 10k C668 27pF R656 20k R660 10k C658 10k C654 12pF R655 0 R654 0 [...]

March 1999 Part No. 001 -2009-600 OCXO COMPONENT LA YOUT FIGURE 10-27 10-22 * * C930 K901 1 2 6 7 8 9 13 14 K902 1 2 6 7 8 9 13 14 K903 1 2 6 7 8 9 13 14 K904 1 2 6 7 8 9 13 14 K905 1 2 6 7 8 9 13 14 K906 1 2 6 7 8 9 13 14 C929 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 +15V GROUND OCXO - OCXO + REMOTE - REMOTE + RF ALARM OUT + RF ALARM OUT - OCX[...]

March 1999 Part No. 001- 2009-600 10-23 OCXO SCHEMA TIC FIGURE10-28 2 J902 WO 902 INPUT BNC 10 MHz FROM WWV 1 R901 1k C901 150pF R902 10k CR901 R903 270 C902 . 01 +5V OCXO 1 Y901 10 MHz 3 RF OUT CASE GND 4 5 C925 . 01 DC IN REMOTE + 6 J901 S904 R905 430 +5V 18 R906 200 +15V 27 3 4 6 5 R907 2 . 4k REMOTE - 5 65 4 1 2 CR902 CR903 R908 10k U908 4N35 +[...]

March 1999 Part No. 001 -2009-600 OCXO POWER SUP PL Y COMPONENT LA YOUT FIGURE 10-29 10-24 1 23 32 1 45 6 J101 S101 A C INPUT 115V A C 230V A C F101 A C FUSE 2 4 3 7 8 6 1 5 T101 CR103 CR104 CR101 CR102 C101 + + C102 + + C108 C104 + C105 + C112 C109 + + C106 R102 R101 C107 CR105 C110 WO101 A C SENSE W O102 +5V WO103 +15V WO104 GROUND 1 3 2 U102 C11[...]

March 1999 Part No. 001- 2009-600 10-25 160W POWER AMPLIFIER SCHEMA TIC FIGURE10-30 1 2 3 AC PO WER INPUT F101 1A J101 6 5 43 2 1 S101 115V 230V 4 3 2 10 5 6 7 8 + C101 1000 + C102 6 . 8 C103 . 001 2 3 U101 LM117T V IN V OUT A VOUT B ADJ 4 1 R101 2 . 49k + C104 220 + C105 15 R102 220 + C106 15 +13.8V C107 . 001 + C108 2200 CR105 + C109 15 +15V C110[...]

March 1999 Part No. 001 -2009-600 MAIN PROCESSOR CARD COMPONENT LA YOUT FIGURE 10-31 10-26 R33 R32 U16 1 8 9 16 1 7 8 14 U2 U9 1 14 15 28 1 7 8 14 U7 C27 C11 C30 C7 R28 C19 R1 U22 1 14 15 28 1 2 13 14 1 7 Y3 U21 U4 U6 J2 U18 U28 U11 C7 C20 C23 R24 Q3 C26 R21 C28 C29 R4 R31 R22 R23 R25 1 3 2 1 32 1 14 15 28 J3 8 14 1 5 13 20 29 32 11 6 C11 U25 17 32[...]

March 1999 Part No. 001- 2009-600 10-27 MAIN PROCESSO R CARD SCHEMA TIC (1 OF 2) FIGURE10-32 50 51 A0 42 A1 10 A2 41 A3 9 A4 40 A5 5 A6 39 A7 7 A8 38 A9 6 A10 37 A11 5 A12 36 A13 4 A14 35 A15 3 A16 34 A17 2 A18 33 A19 1 IRDB+ 25 IRDB- 57 31 P1 32 63 64 19 20 54 18 DS1 ALARM DISPLA Y U26 14495L DISPLA Y DRIVER 2 3 4 5 7 8 9 10 5 6 9 10 2 3 1 15 4 14[...]

March 1999 Part No. 001 -2009-600 MAIN PROCESSOR CARD SCHEMA TIC (2 OF 2) FIGURE 10-33 10-28 U32B 74ACT244 +5V 17 15 13 11 19 A3 A2 A1 A0 R23 4.7k R22 10k R24 4.7k R21 100k Q3 1300 Q2 3812 U11 78L12 3 2 1 +15V +12V SOURCE R25 10k 1 FLASH 2 3 EPROM +5V U25-1 (1) J2 R27 10k R26 10k R28 4.7k U2F 13 12 +5V 1 OE 8 A3 U32A 74CT244 +5V 6 4 2 20 A2 A1 A0 V[...]

March 1999 Part No. 001- 2009-600 10-29 MAIN AUDIO CARD COMPONENT LA YOUT (OPPOSITE COMPONENT SIDE VIEW) FIGURE10-34 C292 U115 U158 U137 U142 U120 1 4 58 18 16 9 18 16 9 1 4 58 1 4 58 C192 C191 C180 C219 R257 R248 C179 C193 R298 C194 R256 C100 C212 R316 R266 C303 C301 C300 C302 C226 R315 R187 R186 C151 R190 R189 R188 C152 R185 C214 R216 R127 CR107 [...]

March 1999 Part No. 001 -2009-600 MAIN AUDIO CARD COMPONENT LA YOUT (COMPONENT SIDE VIEW) FIGURE 10-35 10-30 J104 J101 J102 R236 C285 + C284 U132 + R232 R287 C269 + C267 + 1 2 3 4 5 R276 CR106 CR109 CR110 CR108 U125 U139 R235 R234 1 4 5 8 1 7 8 14 R133 C263 R251 C124 R132 R123 R131 R212 R136 R213 R134 C164 R135 C186 R250 C171 C189 C241 + U141 R237 [...]

March 1999 Part No. 001- 2009-600 10-31 MAIN AUDIO CAR D SCHEMA TIC (1 OF 3) FIGURE10-36 A0 42 A1 10 A2 41 A3 9 A4 40 A5 8 A6 39 A7 7 A8 38 A9 6 A10 37 A11 5 A12 36 A14 35 A16 34 A13 4 A15 3 A17 2 A18 33 A19 1 MREQ 15 MSTB 16 RD 47 WR 48 HSDB+ 24 HSDB- 56 IRDB+ 25 IRDB- 57 TLA DB 26 LPTT 21 46 14 45 13 44 12 43 11 U161 74HC7030 A0 A1 A2 A3 A4 A5 A6[...]

March 1999 Part No. 001 -2009-600 MAIN AUDIO CARD SCHMEA TIC (2 OF 3) FIGURE 10-37 10-32 VO TER AUDIO 25 C100 470pF + C235 1 R249 36k R233 100k + U120A 2904 R248 120k U115A VO TER AUDIO MUTE 32 1 U108-19 (1) RX WB A UDIO 27 C103 . 1 P100 R101 29 . 4k R247 54 . 9k C101 . 0022 R281 1M C102 . 001 + U121A 2904 2 3 1 2 3 1 R102 147k + U121B 2904 R103 69[...]

March 1999 Part No. 001- 2009-600 10-33 MAIN AUDIO CAR D SCHEMA TIC (3 OF 3) FIGURE10-38 TXS+ 3 R196 300 R195 300 S100 2 3 41 3 14 15 S100-1 (2) TXS- 4 SECONDAR Y AUDIO FROM RNT P100 C154 . 1 C153 . 1 R194 75k R193 75k + U131C 3303 R192 75k R286 75k C282 . 1 R191 75k R265 2 . 2k R242 100k + U131D 3303 9 10 8 14 13 12 R264 10k U153A DA T A LEVEL TES[...]

March 1999 Part No. 001 -2009-600 INTERF ACE ALARM CARD COMPONENT LA YOUT FIGURE10-39 10-34 C504 R570 R505 C506 C520 C508 C505 C507 C510 C501 R575 C527 C526 R505 C506 R503 C509 U519 U522 U523 U509 U507 R572 R500 R501 R573 C528 R571 R574 C503 Q503 C506 CR522 R524 R532 Q501 S508 Q502 CR528 R508 J502 J501 J500 J505 U506 R509 C502 R529 R521 R510 Q505 Q[...]

March 1999 Part No. 001- 2009-600 10-35 INTERF ACE ALARM CARD SCHEMA TIC FIGURE10-40 D0 46 D1 14 D2 45 D3 13 D4 44 D5 12 D6 43 D7 11 A12 36 A13 4 A14 35 A15 3 A16 34 A17 2 A18 33 A19 1 MREQ 15 23 A16 A 18 C D 22 21 20 A17 A18 A19 U501 74HC154 19 G2 G1 D3 4 18 G1 19 O3 23 A12 A C D 22 21 20 A13 A14 A15 B B U500 74HC154 ADDRESS LA TCH 19 G2 O6 7 O2 O[...]

March 1999 Part No. 001 -2009-600 BACKPLANE COMPONENT LA YOUT FIGURE 10-41 10-36 F1 F2 F3 P9 P13 P15 P17 P2 P4 P6 P8 P7 P5 P3 P18 P16 P14 P12 P1 13 3 32 64 11 7 32 16 13 3 32 64 11 7 32 16 13 3 32 64 11 7 32 16 13 3 32 64 11 7 32 16 13 3 32 64 11 7 32 16 13 3 32 64 11 7 32 16 13 3 32 64 11 7 32 16 13 3 32 64 11 7 32 16[...]

March 1999 Part No. 001- 2009-600 10-37 BACKPLANE C OMPONENT LA YOUT (CABLE SIDE) FIGURE10-42 12 25 26 P10 12 33 34 J2 12 33 34 J1 16 P11 WO4 WO 1 WO2 WO 6 WO7 WO3 WO17 WO16 WO13 WO5 WO8[...]

March 1999 Part No. 001 -2009-600 BACKPLANE SCHEMA TIC FIGURE 10-43 10-38 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 ALARM 1 OUT + ALARM 2 OUT + SYNC IN COM 17 MSTB MREQ D1 D3 D5 D7 EXT REQ 2 SQUELCH ENABLE ALA[...]

March 1999 Part No. 001- 2009-600 10-39 800W POWER SUPPL Y C OMPONENT LA YOUT (OPPOSITE COMPONENT SIDE VIEW) FIGURE10-44 C219 C221 C141 C146 C210 C207 R272 C217 C218 CR107 CR107 R150 U107 R166 R167 R168 CR138 Q105 R130 R131 R132 C148 R155 R129 R133 R134 R154 Q103 CR137 Q106 R202 R263 C135 R157 R274 R156 C225 R262 Q114 U115 1 C236 R222 R175 R173 CR1[...]

March 1999 Part No. 001 -2009-600 800W POWER SUPPL Y COMPONENT LA YOUT (COMPONENT SIDE VIEW) FIGURE 10-45 10-40 L107 R T102 R T101 T101 EP105 EP101 R V102 W113 W111 EP103 EP104 C106 + + + C101 C205 U114 R254 + C209 L105 T109 + C186 CR132 Q132 CR126 Q125 U111 T108 L104 CR135 + C188 CR129 + C187 + C166 L102 W109 + C165 R216 L103 CR141 W115 W107 + C16[...]

March 1999 Part No. 001- 2009-600 10-41 800W POWER SUPPL Y SCHEMA TIC (1 OF 2) FIGURE10-46 150V DC BA TTERY BA CKUP EP108 DC INPUT (+) RED EP105 DC INPUT (-) BLACK EP104 HV GROUND BA TTERY BA CKUP EP109 RT101 R T102 IN RUSH CURRENT LIMITERS R101 330k R102 330k R103 240k R104 100k C103 . 22 R140 15k C118 270pF + C117 . 47 + C119 1 C127 . 01 R142 560[...]

March 1999 Part No. 001 -2009-600 800W POWER SUPPL Y SCHEMA TIC (2 OF 2) FIGURE 10-47 10-42 R151 20k R152 4 . 7k CR140 U104A 74HC08 TO SYN CIRCUIT CR128/CR121/L101 APPRO XIMA TEL Y 100V PEAK 1 2 3 C138 . 001 R176 100 U104B 74HC08 4 5 6 CR122 R178 2k Q110 3600 Q111 3600 R158 15k C152 . 1 R180 7 . 5k R179 4 . 7k Q112 3600 R181 1k SYNC C161 . 01 + C16[...]

March 1999 Part No. 001- 2009-600 10-43 POWER SUPPL Y FIL TER BOARD COMPONENT LA YOUT FIGURE 10-48 EAR TH GROUND A C HO T NEUTRAL CHASSIS GROUND F1 20A C1 . 22 C2 . 22 L1 1 . 8uH C3 . 0022 C4 . 0022 L2 8 . 67nH R1 1M C5 . 22 RV 2 RV 1 BRN RED BLU BLK GRN/YEL WO1 A C HOT WO5 POS OUT WO3 NEUTRAL WO4 NEG OUT WO2 CHASSIS GND CR1 POWER SUPPL Y FIL TER B[...]

March 1999 Part No. 001 -2009-600 BA TTERY BACK-UP CO MPONEN T LA YOUT FIGURE 10-50 10-44 CR111 CR105 C128 C127 R117 R128 R129 R127 C104 R130 R113 R112 5 S101 4 3 2 1 EP103 U101 1 7 8 14 CR115 CR103 Q103 R110 R109 R108 R122 C102 R126 R125 EP101 CR102 Q102 B C E EP102 K101 CR101 R101 C130 C129 W103 CR116 F101 W102 R121 C116 + C124 R124 C125 U102 R11[...]

March 1999 Part No. 001- 2009-600 10-45 BA TTERY BACK-UP SCHEMA TIC FIGURE10-51 CR101 REVERSE BA TTERY R101 4 . 7k CR113 +24V SOURCE EP101 EP102 DC INPUT (+) DC INPUT (-) BA TTERY INPUT +24V DC WO 101 REMOTE ENABLE R165 2k Q101 6026 R103 2k R104 2k R105 2k R102 330 REMOTE ENABLE ON/OFF R115 470 +18V R106 2k Q102 6026 R108 2k R109 2k R110 2k R107 1k[...]

March 1999 Part No. 001 -2009-600 10-46 9 7 12 11 10 8 6 5 4 3 2 1 A B C J2 1 2 3 4 5 6 7 8 9 REPEA T ER BACKPLANE AC F AIL IN POW E R SWITC H THERMAL S EN S OR +15V GROU ND GROU ND -5V TO POWE R HARN ESS GROU ND +15V +5V TO RFIB +26.5V A B C 1 2 3 4 5 6 7 8 9 10 11 12 36 9 8 5 2 1 4 7 J2 BACKPLAN E POWER CABLE CO NNECTOR AND SCHEMA T IC FIGURE 10-[...]

SCHEMATICS AND COM PONENT LAYOUTS 10-4 7 Marc h 1999 Part No. 0 01-2009-60 0 Figure 10-54 POWER CABLE CO NNECTOR AND SCHEMA TIC 9 7 12 11 10 8 6 5 4 3 2 1 A B C J2 1 2 3 4 5 6 7 8 9 REPEA TER BACKPLANE AC F AIL IN POWER SWIT CH THER MAL SE NSOR +15V GROUND GROUND -5V TO POWER HARNESS GROUND +15V +5V TO RFIB +26.5V A B C 1 2 3 4 5 6 7 8 9 10 11 12 3[...]

SCHEMATICS AND COMPONENT LAYOUTS 10-4 8 March 1 999 Part No. 0 01-2009-60 0 Figure 10-55 COMP AN DOR SCHEMA TIC Figure 10-56 COMP ANDOR COMPONENT LA YOUT U101 2.7k GCELL IN 1 COMP IN COMP OUT GCELL IN 2 RECT IN 2 EXP OUT RECT IN 1 I REF COMP CAP2 COMP CAP1 V REF EXP CAP 4.7 + 12 39k 4.7 1 1 1 6 13 11 5 3 + + + + .001 10 9 8 4 2 1 3.9k SA577D + 4.7 [...]

A-1 Ma rch 1 999 Part No. 0 01-2009-60 0 APPENDIX A 900 MHz CHAN NEL FREQUENCY CHART Program FCC Rep eater Repeater Channel Channel Transmit Rec eive Number Number Fre quency Frequency 1 1 935.012 5 896.012 5 2 2 935.025 0 896.025 0 3 3 935.037 5 896.037 5 4 4 935.050 0 896.050 0 5 5 935.062 5 896.062 5 6 6 935.075 0 896.075 0 7 7 935.087 5 896.087[...]

900 MHz CHANNEL FRE QUENCY CHART A-2 March 1 999 Part No. 0 01-2009-60 0 Program FCC Repeater Repeater Channel Channel T ransmit Receive Number Number Freq uency Frequency 89 89 936.1 125 897.11 25 90 90 936.125 0 897.125 0 91 91 936.137 5 897.137 5 92 92 936.150 0 897.150 0 93 93 936.162 5 897.162 5 94 94 936.175 0 897.175 0 95 95 936.187 5 897.18[...]

900 MHz CHANNEL FRE QUENCY C HART A-3 Ma rch 1 999 Part No. 0 01-2009-60 0 Program FCC Repeater Repeater Channel Channel T ransmit Receive Number Number Freq uency Frequency 185 185 937.312 5 898.312 5 186 186 937.325 0 898.325 0 187 187 937.337 5 898.337 5 188 188 937.350 0 898.350 0 189 189 937.362 5 898.362 5 190 190 937.375 0 898.375 0 191 191 [...]

900 MHz CHANNEL FRE QUENCY CHART A-4 March 1 999 Part No. 0 01-2009-60 0 Program FCC Repeater Repeater Channel Channel T ransmit Receive Number Number Freq uency Frequency 281 281 938.512 5 899.512 5 282 282 938.525 0 899.525 0 283 283 938.537 5 899.537 5 284 284 938.550 0 899.550 0 285 285 938.562 5 899.562 5 286 286 938.575 0 899.575 0 287 287 93[...]

900 MHz CHANNEL FRE QUENCY C HART A-5 Ma rch 1 999 Part No. 0 01-2009-60 0 Program FCC Repeater Repeater Channel Channel T ransmit Receive Number Number Freq uency Frequency 377 377 939.712 5 900.712 5 378 378 939.725 0 900.725 0 379 379 939.737 5 900.737 5 380 380 939.750 0 900.750 0 381 381 939.762 5 900.762 5 382 382 939.775 0 900.775 0 383 383 [...]

900 MHz CHANNEL FRE QUENCY CHART A-6 March 1 999 Part No. 0 01-2009-60 0 This pag e intentionall y left blan k.[...]